Home / 402,233.03-555,021.42-230,123.66

Finding the Fourth Proportional to 402,233.03, 555,021.42 and 230,123.66

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Solution

The fourth proportional to 402,233.03, 555,021.42 and 230,123.66 is: 317,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,233.03 : 555,021.42 = 230,123.66 : x
  2. Step 2: Convert to fraction form
    402,233.03/555,021.42 = 230,123.66/x
  3. Step 3: Cross multiply
    402,233.03x = 555,021.42 × 230,123.66
  4. Step 4: Simplify right side
    402,233.03x = 127,723,560,548.80
  5. Step 5: Solve for x
    x = 127,723,560,548.80/402,233.03
  6. Step 6: Final answer
    x = 317,536.23

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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.