Home / 354,650.10-531,975.15-144,438.90

Finding the Fourth Proportional to 354,650.10, 531,975.15 and 144,438.90

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Solution

The fourth proportional to 354,650.10, 531,975.15 and 144,438.90 is: 216,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,650.10 : 531,975.15 = 144,438.90 : x
  2. Step 2: Convert to fraction form
    354,650.10/531,975.15 = 144,438.90/x
  3. Step 3: Cross multiply
    354,650.10x = 531,975.15 × 144,438.90
  4. Step 4: Simplify right side
    354,650.10x = 76,837,905,493.34
  5. Step 5: Solve for x
    x = 76,837,905,493.34/354,650.10
  6. Step 6: Final answer
    x = 216,658.35

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Similar ratio
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1.5x scale

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.