Home / 391,493.04-540,234.82-230,316.95

Finding the Fourth Proportional to 391,493.04, 540,234.82 and 230,316.95

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Solution

The fourth proportional to 391,493.04, 540,234.82 and 230,316.95 is: 317,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,493.04 : 540,234.82 = 230,316.95 : x
  2. Step 2: Convert to fraction form
    391,493.04/540,234.82 = 230,316.95/x
  3. Step 3: Cross multiply
    391,493.04x = 540,234.82 × 230,316.95
  4. Step 4: Simplify right side
    391,493.04x = 124,425,236,026.20
  5. Step 5: Solve for x
    x = 124,425,236,026.20/391,493.04
  6. Step 6: Final answer
    x = 317,822.35

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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.