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Finding the Fourth Proportional to 500,085.78, 750,152.84 and 163,125.78

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Solution

The fourth proportional to 500,085.78, 750,152.84 and 163,125.78 is: 244,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,085.78 : 750,152.84 = 163,125.78 : x
  2. Step 2: Convert to fraction form
    500,085.78/750,152.84 = 163,125.78/x
  3. Step 3: Cross multiply
    500,085.78x = 750,152.84 × 163,125.78
  4. Step 4: Simplify right side
    500,085.78x = 122,369,266,328.59
  5. Step 5: Solve for x
    x = 122,369,266,328.59/500,085.78
  6. Step 6: Final answer
    x = 244,696.55

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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.