Home / 476,166.40-714,321.96-156,212.08

Finding the Fourth Proportional to 476,166.40, 714,321.96 and 156,212.08

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Solution

The fourth proportional to 476,166.40, 714,321.96 and 156,212.08 is: 234,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,166.40 : 714,321.96 = 156,212.08 : x
  2. Step 2: Convert to fraction form
    476,166.40/714,321.96 = 156,212.08/x
  3. Step 3: Cross multiply
    476,166.40x = 714,321.96 × 156,212.08
  4. Step 4: Simplify right side
    476,166.40x = 111,585,719,161.28
  5. Step 5: Solve for x
    x = 111,585,719,161.28/476,166.40
  6. Step 6: Final answer
    x = 234,341.86

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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.