Home / 219,330.60-328,995.90-148,471.80

Finding the Fourth Proportional to 219,330.60, 328,995.90 and 148,471.80

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Solution

The fourth proportional to 219,330.60, 328,995.90 and 148,471.80 is: 222,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.60 : 328,995.90 = 148,471.80 : x
  2. Step 2: Convert to fraction form
    219,330.60/328,995.90 = 148,471.80/x
  3. Step 3: Cross multiply
    219,330.60x = 328,995.90 × 148,471.80
  4. Step 4: Simplify right side
    219,330.60x = 48,846,613,465.62
  5. Step 5: Solve for x
    x = 48,846,613,465.62/219,330.60
  6. Step 6: Final answer
    x = 222,707.70

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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.