Home / 272,056.74-408,084.58-72,377.34

Finding the Fourth Proportional to 272,056.74, 408,084.58 and 72,377.34

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Solution

The fourth proportional to 272,056.74, 408,084.58 and 72,377.34 is: 108,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,056.74 : 408,084.58 = 72,377.34 : x
  2. Step 2: Convert to fraction form
    272,056.74/408,084.58 = 72,377.34/x
  3. Step 3: Cross multiply
    272,056.74x = 408,084.58 × 72,377.34
  4. Step 4: Simplify right side
    272,056.74x = 29,536,076,395.42
  5. Step 5: Solve for x
    x = 29,536,076,395.42/272,056.74
  6. Step 6: Final answer
    x = 108,565.87

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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.