Home / 215,748.94-323,623.12-57,977.40

Finding the Fourth Proportional to 215,748.94, 323,623.12 and 57,977.40

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Solution

The fourth proportional to 215,748.94, 323,623.12 and 57,977.40 is: 86,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,748.94 : 323,623.12 = 57,977.40 : x
  2. Step 2: Convert to fraction form
    215,748.94/323,623.12 = 57,977.40/x
  3. Step 3: Cross multiply
    215,748.94x = 323,623.12 × 57,977.40
  4. Step 4: Simplify right side
    215,748.94x = 18,762,827,077.49
  5. Step 5: Solve for x
    x = 18,762,827,077.49/215,748.94
  6. Step 6: Final answer
    x = 86,966.02

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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.