Home / 215,477.84-323,265.72-65,731.52

Finding the Fourth Proportional to 215,477.84, 323,265.72 and 65,731.52

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Solution

The fourth proportional to 215,477.84, 323,265.72 and 65,731.52 is: 98,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,477.84 : 323,265.72 = 65,731.52 : x
  2. Step 2: Convert to fraction form
    215,477.84/323,265.72 = 65,731.52/x
  3. Step 3: Cross multiply
    215,477.84x = 323,265.72 × 65,731.52
  4. Step 4: Simplify right side
    215,477.84x = 21,248,747,139.49
  5. Step 5: Solve for x
    x = 21,248,747,139.49/215,477.84
  6. Step 6: Final answer
    x = 98,612.22

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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.