Home / 497,837.70-747,145.35-231,631.20

Finding the Fourth Proportional to 497,837.70, 747,145.35 and 231,631.20

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Solution

The fourth proportional to 497,837.70, 747,145.35 and 231,631.20 is: 347,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,837.70 : 747,145.35 = 231,631.20 : x
  2. Step 2: Convert to fraction form
    497,837.70/747,145.35 = 231,631.20/x
  3. Step 3: Cross multiply
    497,837.70x = 747,145.35 × 231,631.20
  4. Step 4: Simplify right side
    497,837.70x = 173,062,173,994.92
  5. Step 5: Solve for x
    x = 173,062,173,994.92/497,837.70
  6. Step 6: Final answer
    x = 347,627.70

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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.