Home / 442,927.40-664,304.70-143,335.40

Finding the Fourth Proportional to 442,927.40, 664,304.70 and 143,335.40

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Solution

The fourth proportional to 442,927.40, 664,304.70 and 143,335.40 is: 214,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,927.40 : 664,304.70 = 143,335.40 : x
  2. Step 2: Convert to fraction form
    442,927.40/664,304.70 = 143,335.40/x
  3. Step 3: Cross multiply
    442,927.40x = 664,304.70 × 143,335.40
  4. Step 4: Simplify right side
    442,927.40x = 95,218,379,896.38
  5. Step 5: Solve for x
    x = 95,218,379,896.38/442,927.40
  6. Step 6: Final answer
    x = 214,975.14

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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.