Home / 312,011.13-467,592.59-131,946.87

Finding the Fourth Proportional to 312,011.13, 467,592.59 and 131,946.87

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Solution

The fourth proportional to 312,011.13, 467,592.59 and 131,946.87 is: 197,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,011.13 : 467,592.59 = 131,946.87 : x
  2. Step 2: Convert to fraction form
    312,011.13/467,592.59 = 131,946.87/x
  3. Step 3: Cross multiply
    312,011.13x = 467,592.59 × 131,946.87
  4. Step 4: Simplify right side
    312,011.13x = 61,697,378,025.96
  5. Step 5: Solve for x
    x = 61,697,378,025.96/312,011.13
  6. Step 6: Final answer
    x = 197,740.95

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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.