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Finding the Fourth Proportional to 540,257.66, 810,418.19 and 203,301.18

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Solution

The fourth proportional to 540,257.66, 810,418.19 and 203,301.18 is: 304,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,257.66 : 810,418.19 = 203,301.18 : x
  2. Step 2: Convert to fraction form
    540,257.66/810,418.19 = 203,301.18/x
  3. Step 3: Cross multiply
    540,257.66x = 810,418.19 × 203,301.18
  4. Step 4: Simplify right side
    540,257.66x = 164,758,974,320.46
  5. Step 5: Solve for x
    x = 164,758,974,320.46/540,257.66
  6. Step 6: Final answer
    x = 304,963.70

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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.