Home / 442,848.45-664,436.70-143,338.80

Finding the Fourth Proportional to 442,848.45, 664,436.70 and 143,338.80

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Solution

The fourth proportional to 442,848.45, 664,436.70 and 143,338.80 is: 215,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848.45 : 664,436.70 = 143,338.80 : x
  2. Step 2: Convert to fraction form
    442,848.45/664,436.70 = 143,338.80/x
  3. Step 3: Cross multiply
    442,848.45x = 664,436.70 × 143,338.80
  4. Step 4: Simplify right side
    442,848.45x = 95,239,559,253.96
  5. Step 5: Solve for x
    x = 95,239,559,253.96/442,848.45
  6. Step 6: Final answer
    x = 215,061.29

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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.