Home / 317,784.02-476,445.27-149,217.62

Finding the Fourth Proportional to 317,784.02, 476,445.27 and 149,217.62

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Solution

The fourth proportional to 317,784.02, 476,445.27 and 149,217.62 is: 223,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,784.02 : 476,445.27 = 149,217.62 : x
  2. Step 2: Convert to fraction form
    317,784.02/476,445.27 = 149,217.62/x
  3. Step 3: Cross multiply
    317,784.02x = 476,445.27 × 149,217.62
  4. Step 4: Simplify right side
    317,784.02x = 71,094,029,249.66
  5. Step 5: Solve for x
    x = 71,094,029,249.66/317,784.02
  6. Step 6: Final answer
    x = 223,718.08

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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.