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Finding the Fourth Proportional to 656,139.30, 984,208.95 and 375,458.10

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Solution

The fourth proportional to 656,139.30, 984,208.95 and 375,458.10 is: 563,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,139.30 : 984,208.95 = 375,458.10 : x
  2. Step 2: Convert to fraction form
    656,139.30/984,208.95 = 375,458.10/x
  3. Step 3: Cross multiply
    656,139.30x = 984,208.95 × 375,458.10
  4. Step 4: Simplify right side
    656,139.30x = 369,529,222,370.00
  5. Step 5: Solve for x
    x = 369,529,222,370.00/656,139.30
  6. Step 6: Final answer
    x = 563,187.15

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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.