Home / 312,718.17-468,985.23-141,841.02

Finding the Fourth Proportional to 312,718.17, 468,985.23 and 141,841.02

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Solution

The fourth proportional to 312,718.17, 468,985.23 and 141,841.02 is: 212,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,718.17 : 468,985.23 = 141,841.02 : x
  2. Step 2: Convert to fraction form
    312,718.17/468,985.23 = 141,841.02/x
  3. Step 3: Cross multiply
    312,718.17x = 468,985.23 × 141,841.02
  4. Step 4: Simplify right side
    312,718.17x = 66,521,344,205.42
  5. Step 5: Solve for x
    x = 66,521,344,205.42/312,718.17
  6. Step 6: Final answer
    x = 212,719.79

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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.