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Finding the Fourth Proportional to 445,944.68, 615,400.50 and 241,990.40

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Solution

The fourth proportional to 445,944.68, 615,400.50 and 241,990.40 is: 333,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,944.68 : 615,400.50 = 241,990.40 : x
  2. Step 2: Convert to fraction form
    445,944.68/615,400.50 = 241,990.40/x
  3. Step 3: Cross multiply
    445,944.68x = 615,400.50 × 241,990.40
  4. Step 4: Simplify right side
    445,944.68x = 148,921,013,155.20
  5. Step 5: Solve for x
    x = 148,921,013,155.20/445,944.68
  6. Step 6: Final answer
    x = 333,945.04

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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.