Home / 347,387.18-520,724.02-197,307.04

Finding the Fourth Proportional to 347,387.18, 520,724.02 and 197,307.04

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Solution

The fourth proportional to 347,387.18, 520,724.02 and 197,307.04 is: 295,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,387.18 : 520,724.02 = 197,307.04 : x
  2. Step 2: Convert to fraction form
    347,387.18/520,724.02 = 197,307.04/x
  3. Step 3: Cross multiply
    347,387.18x = 520,724.02 × 197,307.04
  4. Step 4: Simplify right side
    347,387.18x = 102,742,514,039.41
  5. Step 5: Solve for x
    x = 102,742,514,039.41/347,387.18
  6. Step 6: Final answer
    x = 295,757.93

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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.