Home / 459,143.86-688,731.33-122,184.84

Finding the Fourth Proportional to 459,143.86, 688,731.33 and 122,184.84

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Solution

The fourth proportional to 459,143.86, 688,731.33 and 122,184.84 is: 183,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,143.86 : 688,731.33 = 122,184.84 : x
  2. Step 2: Convert to fraction form
    459,143.86/688,731.33 = 122,184.84/x
  3. Step 3: Cross multiply
    459,143.86x = 688,731.33 × 122,184.84
  4. Step 4: Simplify right side
    459,143.86x = 84,152,523,304.46
  5. Step 5: Solve for x
    x = 84,152,523,304.46/459,143.86
  6. Step 6: Final answer
    x = 183,281.39

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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.