Home / 331,207.60-496,838.40-141,669.40

Finding the Fourth Proportional to 331,207.60, 496,838.40 and 141,669.40

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Solution

The fourth proportional to 331,207.60, 496,838.40 and 141,669.40 is: 212,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,207.60 : 496,838.40 = 141,669.40 : x
  2. Step 2: Convert to fraction form
    331,207.60/496,838.40 = 141,669.40/x
  3. Step 3: Cross multiply
    331,207.60x = 496,838.40 × 141,669.40
  4. Step 4: Simplify right side
    331,207.60x = 70,386,798,024.96
  5. Step 5: Solve for x
    x = 70,386,798,024.96/331,207.60
  6. Step 6: Final answer
    x = 212,515.65

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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.