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Finding the Fourth Proportional to 207,495.20, 310,805.40 and 185,333.60

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Solution

The fourth proportional to 207,495.20, 310,805.40 and 185,333.60 is: 277,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,495.20 : 310,805.40 = 185,333.60 : x
  2. Step 2: Convert to fraction form
    207,495.20/310,805.40 = 185,333.60/x
  3. Step 3: Cross multiply
    207,495.20x = 310,805.40 × 185,333.60
  4. Step 4: Simplify right side
    207,495.20x = 57,602,683,681.44
  5. Step 5: Solve for x
    x = 57,602,683,681.44/207,495.20
  6. Step 6: Final answer
    x = 277,609.72

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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.