Home / 278,024.83-417,037.21-240,473.30

Finding the Fourth Proportional to 278,024.83, 417,037.21 and 240,473.30

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Solution

The fourth proportional to 278,024.83, 417,037.21 and 240,473.30 is: 360,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,024.83 : 417,037.21 = 240,473.30 : x
  2. Step 2: Convert to fraction form
    278,024.83/417,037.21 = 240,473.30/x
  3. Step 3: Cross multiply
    278,024.83x = 417,037.21 × 240,473.30
  4. Step 4: Simplify right side
    278,024.83x = 100,286,311,425.12
  5. Step 5: Solve for x
    x = 100,286,311,425.12/278,024.83
  6. Step 6: Final answer
    x = 360,709.91

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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.