Home / 252,315.02-378,545.58-74,826.30

Finding the Fourth Proportional to 252,315.02, 378,545.58 and 74,826.30

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Solution

The fourth proportional to 252,315.02, 378,545.58 and 74,826.30 is: 112,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,315.02 : 378,545.58 = 74,826.30 : x
  2. Step 2: Convert to fraction form
    252,315.02/378,545.58 = 74,826.30/x
  3. Step 3: Cross multiply
    252,315.02x = 378,545.58 × 74,826.30
  4. Step 4: Simplify right side
    252,315.02x = 28,325,165,132.75
  5. Step 5: Solve for x
    x = 28,325,165,132.75/252,315.02
  6. Step 6: Final answer
    x = 112,261.11

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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.