Home / 231,430.89-319,234.98-152,849.33

Finding the Fourth Proportional to 231,430.89, 319,234.98 and 152,849.33

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Solution

The fourth proportional to 231,430.89, 319,234.98 and 152,849.33 is: 210,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,430.89 : 319,234.98 = 152,849.33 : x
  2. Step 2: Convert to fraction form
    231,430.89/319,234.98 = 152,849.33/x
  3. Step 3: Cross multiply
    231,430.89x = 319,234.98 × 152,849.33
  4. Step 4: Simplify right side
    231,430.89x = 48,794,852,808.95
  5. Step 5: Solve for x
    x = 48,794,852,808.95/231,430.89
  6. Step 6: Final answer
    x = 210,839.84

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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.