Home / 342,225.33-513,389.04-142,431.96

Finding the Fourth Proportional to 342,225.33, 513,389.04 and 142,431.96

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Solution

The fourth proportional to 342,225.33, 513,389.04 and 142,431.96 is: 213,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,225.33 : 513,389.04 = 142,431.96 : x
  2. Step 2: Convert to fraction form
    342,225.33/513,389.04 = 142,431.96/x
  3. Step 3: Cross multiply
    342,225.33x = 513,389.04 × 142,431.96
  4. Step 4: Simplify right side
    342,225.33x = 73,123,007,209.72
  5. Step 5: Solve for x
    x = 73,123,007,209.72/342,225.33
  6. Step 6: Final answer
    x = 213,669.18

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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.