Home / 459,039.14-688,558.17-159,519.74

Finding the Fourth Proportional to 459,039.14, 688,558.17 and 159,519.74

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Solution

The fourth proportional to 459,039.14, 688,558.17 and 159,519.74 is: 239,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,039.14 : 688,558.17 = 159,519.74 : x
  2. Step 2: Convert to fraction form
    459,039.14/688,558.17 = 159,519.74/x
  3. Step 3: Cross multiply
    459,039.14x = 688,558.17 × 159,519.74
  4. Step 4: Simplify right side
    459,039.14x = 109,838,616,810.49
  5. Step 5: Solve for x
    x = 109,838,616,810.49/459,039.14
  6. Step 6: Final answer
    x = 239,279.42

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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.