Home / 382,665.40-573,998.10-242,582.20

Finding the Fourth Proportional to 382,665.40, 573,998.10 and 242,582.20

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Solution

The fourth proportional to 382,665.40, 573,998.10 and 242,582.20 is: 363,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,665.40 : 573,998.10 = 242,582.20 : x
  2. Step 2: Convert to fraction form
    382,665.40/573,998.10 = 242,582.20/x
  3. Step 3: Cross multiply
    382,665.40x = 573,998.10 × 242,582.20
  4. Step 4: Simplify right side
    382,665.40x = 139,241,721,893.82
  5. Step 5: Solve for x
    x = 139,241,721,893.82/382,665.40
  6. Step 6: Final answer
    x = 363,873.30

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Similar ratio
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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.