Home / 540,839.04-811,278.81-161,764.71

Finding the Fourth Proportional to 540,839.04, 811,278.81 and 161,764.71

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Solution

The fourth proportional to 540,839.04, 811,278.81 and 161,764.71 is: 242,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,839.04 : 811,278.81 = 161,764.71 : x
  2. Step 2: Convert to fraction form
    540,839.04/811,278.81 = 161,764.71/x
  3. Step 3: Cross multiply
    540,839.04x = 811,278.81 × 161,764.71
  4. Step 4: Simplify right side
    540,839.04x = 131,236,281,428.80
  5. Step 5: Solve for x
    x = 131,236,281,428.80/540,839.04
  6. Step 6: Final answer
    x = 242,653.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.