Home / 309,251.90-426,973.20-237,503.72

Finding the Fourth Proportional to 309,251.90, 426,973.20 and 237,503.72

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Solution

The fourth proportional to 309,251.90, 426,973.20 and 237,503.72 is: 327,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,251.90 : 426,973.20 = 237,503.72 : x
  2. Step 2: Convert to fraction form
    309,251.90/426,973.20 = 237,503.72/x
  3. Step 3: Cross multiply
    309,251.90x = 426,973.20 × 237,503.72
  4. Step 4: Simplify right side
    309,251.90x = 101,407,723,340.30
  5. Step 5: Solve for x
    x = 101,407,723,340.30/309,251.90
  6. Step 6: Final answer
    x = 327,913.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.