Home / 463,017.50-639,046.05-272,030.84

Finding the Fourth Proportional to 463,017.50, 639,046.05 and 272,030.84

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Solution

The fourth proportional to 463,017.50, 639,046.05 and 272,030.84 is: 375,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,017.50 : 639,046.05 = 272,030.84 : x
  2. Step 2: Convert to fraction form
    463,017.50/639,046.05 = 272,030.84/x
  3. Step 3: Cross multiply
    463,017.50x = 639,046.05 × 272,030.84
  4. Step 4: Simplify right side
    463,017.50x = 173,840,233,780.18
  5. Step 5: Solve for x
    x = 173,840,233,780.18/463,017.50
  6. Step 6: Final answer
    x = 375,450.68

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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.