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Finding the Fourth Proportional to 630,951.50, 946,427.26 and 187,719.50

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Solution

The fourth proportional to 630,951.50, 946,427.26 and 187,719.50 is: 281,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,951.50 : 946,427.26 = 187,719.50 : x
  2. Step 2: Convert to fraction form
    630,951.50/946,427.26 = 187,719.50/x
  3. Step 3: Cross multiply
    630,951.50x = 946,427.26 × 187,719.50
  4. Step 4: Simplify right side
    630,951.50x = 177,662,852,033.57
  5. Step 5: Solve for x
    x = 177,662,852,033.57/630,951.50
  6. Step 6: Final answer
    x = 281,579.25

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.