Home / 445,609.68-668,248.20-179,280.24

Finding the Fourth Proportional to 445,609.68, 668,248.20 and 179,280.24

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Solution

The fourth proportional to 445,609.68, 668,248.20 and 179,280.24 is: 268,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,609.68 : 668,248.20 = 179,280.24 : x
  2. Step 2: Convert to fraction form
    445,609.68/668,248.20 = 179,280.24/x
  3. Step 3: Cross multiply
    445,609.68x = 668,248.20 × 179,280.24
  4. Step 4: Simplify right side
    445,609.68x = 119,803,697,675.57
  5. Step 5: Solve for x
    x = 119,803,697,675.57/445,609.68
  6. Step 6: Final answer
    x = 268,853.45

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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.