Home / 371,405.20-557,253.60-146,727.40

Finding the Fourth Proportional to 371,405.20, 557,253.60 and 146,727.40

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Solution

The fourth proportional to 371,405.20, 557,253.60 and 146,727.40 is: 220,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,405.20 : 557,253.60 = 146,727.40 : x
  2. Step 2: Convert to fraction form
    371,405.20/557,253.60 = 146,727.40/x
  3. Step 3: Cross multiply
    371,405.20x = 557,253.60 × 146,727.40
  4. Step 4: Simplify right side
    371,405.20x = 81,764,371,868.64
  5. Step 5: Solve for x
    x = 81,764,371,868.64/371,405.20
  6. Step 6: Final answer
    x = 220,148.70

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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.