Home / 353,346.30-487,666.17-240,205.50

Finding the Fourth Proportional to 353,346.30, 487,666.17 and 240,205.50

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Solution

The fourth proportional to 353,346.30, 487,666.17 and 240,205.50 is: 331,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,346.30 : 487,666.17 = 240,205.50 : x
  2. Step 2: Convert to fraction form
    353,346.30/487,666.17 = 240,205.50/x
  3. Step 3: Cross multiply
    353,346.30x = 487,666.17 × 240,205.50
  4. Step 4: Simplify right side
    353,346.30x = 117,140,096,197.94
  5. Step 5: Solve for x
    x = 117,140,096,197.94/353,346.30
  6. Step 6: Final answer
    x = 331,516.41

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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.