Home / 498,145.96-747,199.58-143,158.76

Finding the Fourth Proportional to 498,145.96, 747,199.58 and 143,158.76

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Solution

The fourth proportional to 498,145.96, 747,199.58 and 143,158.76 is: 214,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,145.96 : 747,199.58 = 143,158.76 : x
  2. Step 2: Convert to fraction form
    498,145.96/747,199.58 = 143,158.76/x
  3. Step 3: Cross multiply
    498,145.96x = 747,199.58 × 143,158.76
  4. Step 4: Simplify right side
    498,145.96x = 106,968,165,345.32
  5. Step 5: Solve for x
    x = 106,968,165,345.32/498,145.96
  6. Step 6: Final answer
    x = 214,732.58

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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.