Home / 275,184.18-379,732.05-152,680.50

Finding the Fourth Proportional to 275,184.18, 379,732.05 and 152,680.50

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Solution

The fourth proportional to 275,184.18, 379,732.05 and 152,680.50 is: 210,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,184.18 : 379,732.05 = 152,680.50 : x
  2. Step 2: Convert to fraction form
    275,184.18/379,732.05 = 152,680.50/x
  3. Step 3: Cross multiply
    275,184.18x = 379,732.05 × 152,680.50
  4. Step 4: Simplify right side
    275,184.18x = 57,977,679,260.03
  5. Step 5: Solve for x
    x = 57,977,679,260.03/275,184.18
  6. Step 6: Final answer
    x = 210,686.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.