Home / 525,138.07-787,872.35-187,948.84

Finding the Fourth Proportional to 525,138.07, 787,872.35 and 187,948.84

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Solution

The fourth proportional to 525,138.07, 787,872.35 and 187,948.84 is: 281,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,138.07 : 787,872.35 = 187,948.84 : x
  2. Step 2: Convert to fraction form
    525,138.07/787,872.35 = 187,948.84/x
  3. Step 3: Cross multiply
    525,138.07x = 787,872.35 × 187,948.84
  4. Step 4: Simplify right side
    525,138.07x = 148,079,693,310.83
  5. Step 5: Solve for x
    x = 148,079,693,310.83/525,138.07
  6. Step 6: Final answer
    x = 281,982.40

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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.