Home / 312,500.20-466,006.16-309,658.46

Finding the Fourth Proportional to 312,500.20, 466,006.16 and 309,658.46

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Solution

The fourth proportional to 312,500.20, 466,006.16 and 309,658.46 is: 461,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,500.20 : 466,006.16 = 309,658.46 : x
  2. Step 2: Convert to fraction form
    312,500.20/466,006.16 = 309,658.46/x
  3. Step 3: Cross multiply
    312,500.20x = 466,006.16 × 309,658.46
  4. Step 4: Simplify right side
    312,500.20x = 144,302,749,856.11
  5. Step 5: Solve for x
    x = 144,302,749,856.11/312,500.20
  6. Step 6: Final answer
    x = 461,768.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.