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Finding the Fourth Proportional to 438,510.88, 605,146.80 and 237,306.88

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Solution

The fourth proportional to 438,510.88, 605,146.80 and 237,306.88 is: 327,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,510.88 : 605,146.80 = 237,306.88 : x
  2. Step 2: Convert to fraction form
    438,510.88/605,146.80 = 237,306.88/x
  3. Step 3: Cross multiply
    438,510.88x = 605,146.80 × 237,306.88
  4. Step 4: Simplify right side
    438,510.88x = 143,605,499,049.98
  5. Step 5: Solve for x
    x = 143,605,499,049.98/438,510.88
  6. Step 6: Final answer
    x = 327,484.46

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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.