Home / 347,688.10-521,532.15-126,043.30

Finding the Fourth Proportional to 347,688.10, 521,532.15 and 126,043.30

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Solution

The fourth proportional to 347,688.10, 521,532.15 and 126,043.30 is: 189,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,688.10 : 521,532.15 = 126,043.30 : x
  2. Step 2: Convert to fraction form
    347,688.10/521,532.15 = 126,043.30/x
  3. Step 3: Cross multiply
    347,688.10x = 521,532.15 × 126,043.30
  4. Step 4: Simplify right side
    347,688.10x = 65,735,633,242.10
  5. Step 5: Solve for x
    x = 65,735,633,242.10/347,688.10
  6. Step 6: Final answer
    x = 189,064.95

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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.