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Finding the Fourth Proportional to 278,024.83, 417,037.28 and 67,662.77

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Solution

The fourth proportional to 278,024.83, 417,037.28 and 67,662.77 is: 101,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,024.83 : 417,037.28 = 67,662.77 : x
  2. Step 2: Convert to fraction form
    278,024.83/417,037.28 = 67,662.77/x
  3. Step 3: Cross multiply
    278,024.83x = 417,037.28 × 67,662.77
  4. Step 4: Simplify right side
    278,024.83x = 28,217,895,303.72
  5. Step 5: Solve for x
    x = 28,217,895,303.72/278,024.83
  6. Step 6: Final answer
    x = 101,494.16

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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.