Home / 198,390.84-297,588.69-58,152.30

Finding the Fourth Proportional to 198,390.84, 297,588.69 and 58,152.30

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Solution

The fourth proportional to 198,390.84, 297,588.69 and 58,152.30 is: 87,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,390.84 : 297,588.69 = 58,152.30 : x
  2. Step 2: Convert to fraction form
    198,390.84/297,588.69 = 58,152.30/x
  3. Step 3: Cross multiply
    198,390.84x = 297,588.69 × 58,152.30
  4. Step 4: Simplify right side
    198,390.84x = 17,305,466,777.49
  5. Step 5: Solve for x
    x = 17,305,466,777.49/198,390.84
  6. Step 6: Final answer
    x = 87,229.16

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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.