Home / 459,041.30-688,507.17-122,106.61

Finding the Fourth Proportional to 459,041.30, 688,507.17 and 122,106.61

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Solution

The fourth proportional to 459,041.30, 688,507.17 and 122,106.61 is: 183,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,041.30 : 688,507.17 = 122,106.61 : x
  2. Step 2: Convert to fraction form
    459,041.30/688,507.17 = 122,106.61/x
  3. Step 3: Cross multiply
    459,041.30x = 688,507.17 × 122,106.61
  4. Step 4: Simplify right side
    459,041.30x = 84,071,276,489.39
  5. Step 5: Solve for x
    x = 84,071,276,489.39/459,041.30
  6. Step 6: Final answer
    x = 183,145.34

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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.