Home / 278,037.04-417,056.04-67,675.12

Finding the Fourth Proportional to 278,037.04, 417,056.04 and 67,675.12

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Solution

The fourth proportional to 278,037.04, 417,056.04 and 67,675.12 is: 101,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,037.04 : 417,056.04 = 67,675.12 : x
  2. Step 2: Convert to fraction form
    278,037.04/417,056.04 = 67,675.12/x
  3. Step 3: Cross multiply
    278,037.04x = 417,056.04 × 67,675.12
  4. Step 4: Simplify right side
    278,037.04x = 28,224,317,553.72
  5. Step 5: Solve for x
    x = 28,224,317,553.72/278,037.04
  6. Step 6: Final answer
    x = 101,512.80

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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.