Home / 278,424.04-417,636.06-68,061.64

Finding the Fourth Proportional to 278,424.04, 417,636.06 and 68,061.64

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Solution

The fourth proportional to 278,424.04, 417,636.06 and 68,061.64 is: 102,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,424.04 : 417,636.06 = 68,061.64 : x
  2. Step 2: Convert to fraction form
    278,424.04/417,636.06 = 68,061.64/x
  3. Step 3: Cross multiply
    278,424.04x = 417,636.06 × 68,061.64
  4. Step 4: Simplify right side
    278,424.04x = 28,424,995,166.74
  5. Step 5: Solve for x
    x = 28,424,995,166.74/278,424.04
  6. Step 6: Final answer
    x = 102,092.46

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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.