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Finding the Fourth Proportional to 382,220.60, 573,330.90 and 172,268.60

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Solution

The fourth proportional to 382,220.60, 573,330.90 and 172,268.60 is: 258,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,220.60 : 573,330.90 = 172,268.60 : x
  2. Step 2: Convert to fraction form
    382,220.60/573,330.90 = 172,268.60/x
  3. Step 3: Cross multiply
    382,220.60x = 573,330.90 × 172,268.60
  4. Step 4: Simplify right side
    382,220.60x = 98,766,911,479.74
  5. Step 5: Solve for x
    x = 98,766,911,479.74/382,220.60
  6. Step 6: Final answer
    x = 258,402.90

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1.5x scale

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.