Home / 477,627.20-715,479.04-221,098.32

Finding the Fourth Proportional to 477,627.20, 715,479.04 and 221,098.32

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Solution

The fourth proportional to 477,627.20, 715,479.04 and 221,098.32 is: 331,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,627.20 : 715,479.04 = 221,098.32 : x
  2. Step 2: Convert to fraction form
    477,627.20/715,479.04 = 221,098.32/x
  3. Step 3: Cross multiply
    477,627.20x = 715,479.04 × 221,098.32
  4. Step 4: Simplify right side
    477,627.20x = 158,191,213,739.21
  5. Step 5: Solve for x
    x = 158,191,213,739.21/477,627.20
  6. Step 6: Final answer
    x = 331,202.27

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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.