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Finding the Fourth Proportional to 610,280.19, 915,295.19 and 231,070.10

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Solution

The fourth proportional to 610,280.19, 915,295.19 and 231,070.10 is: 346,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,280.19 : 915,295.19 = 231,070.10 : x
  2. Step 2: Convert to fraction form
    610,280.19/915,295.19 = 231,070.10/x
  3. Step 3: Cross multiply
    610,280.19x = 915,295.19 × 231,070.10
  4. Step 4: Simplify right side
    610,280.19x = 211,497,345,350.99
  5. Step 5: Solve for x
    x = 211,497,345,350.99/610,280.19
  6. Step 6: Final answer
    x = 346,557.78

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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.