Home / 435,474.90-653,212.41-135,981.15

Finding the Fourth Proportional to 435,474.90, 653,212.41 and 135,981.15

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Solution

The fourth proportional to 435,474.90, 653,212.41 and 135,981.15 is: 203,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,474.90 : 653,212.41 = 135,981.15 : x
  2. Step 2: Convert to fraction form
    435,474.90/653,212.41 = 135,981.15/x
  3. Step 3: Cross multiply
    435,474.90x = 653,212.41 × 135,981.15
  4. Step 4: Simplify right side
    435,474.90x = 88,824,574,706.07
  5. Step 5: Solve for x
    x = 88,824,574,706.07/435,474.90
  6. Step 6: Final answer
    x = 203,971.74

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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.