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Finding the Fourth Proportional to 207,006.20, 310,509.30 and 144,020.60

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Solution

The fourth proportional to 207,006.20, 310,509.30 and 144,020.60 is: 216,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,006.20 : 310,509.30 = 144,020.60 : x
  2. Step 2: Convert to fraction form
    207,006.20/310,509.30 = 144,020.60/x
  3. Step 3: Cross multiply
    207,006.20x = 310,509.30 × 144,020.60
  4. Step 4: Simplify right side
    207,006.20x = 44,719,735,691.58
  5. Step 5: Solve for x
    x = 44,719,735,691.58/207,006.20
  6. Step 6: Final answer
    x = 216,030.90

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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.