Home / 442,971.30-664,552.71-143,482.02

Finding the Fourth Proportional to 442,971.30, 664,552.71 and 143,482.02

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Solution

The fourth proportional to 442,971.30, 664,552.71 and 143,482.02 is: 215,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,971.30 : 664,552.71 = 143,482.02 : x
  2. Step 2: Convert to fraction form
    442,971.30/664,552.71 = 143,482.02/x
  3. Step 3: Cross multiply
    442,971.30x = 664,552.71 × 143,482.02
  4. Step 4: Simplify right side
    442,971.30x = 95,351,365,227.27
  5. Step 5: Solve for x
    x = 95,351,365,227.27/442,971.30
  6. Step 6: Final answer
    x = 215,254.05

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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.