Home / 445,834.10-668,832.15-146,231.30

Finding the Fourth Proportional to 445,834.10, 668,832.15 and 146,231.30

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Solution

The fourth proportional to 445,834.10, 668,832.15 and 146,231.30 is: 219,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,834.10 : 668,832.15 = 146,231.30 : x
  2. Step 2: Convert to fraction form
    445,834.10/668,832.15 = 146,231.30/x
  3. Step 3: Cross multiply
    445,834.10x = 668,832.15 × 146,231.30
  4. Step 4: Simplify right side
    445,834.10x = 97,804,194,776.30
  5. Step 5: Solve for x
    x = 97,804,194,776.30/445,834.10
  6. Step 6: Final answer
    x = 219,373.52

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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.