Home / 220,430.04-304,226.76-134,438.88

Finding the Fourth Proportional to 220,430.04, 304,226.76 and 134,438.88

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Solution

The fourth proportional to 220,430.04, 304,226.76 and 134,438.88 is: 185,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,430.04 : 304,226.76 = 134,438.88 : x
  2. Step 2: Convert to fraction form
    220,430.04/304,226.76 = 134,438.88/x
  3. Step 3: Cross multiply
    220,430.04x = 304,226.76 × 134,438.88
  4. Step 4: Simplify right side
    220,430.04x = 40,899,904,880.43
  5. Step 5: Solve for x
    x = 40,899,904,880.43/220,430.04
  6. Step 6: Final answer
    x = 185,545.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.