Home / 442,733.40-664,013.70-143,141.40

Finding the Fourth Proportional to 442,733.40, 664,013.70 and 143,141.40

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Solution

The fourth proportional to 442,733.40, 664,013.70 and 143,141.40 is: 214,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,733.40 : 664,013.70 = 143,141.40 : x
  2. Step 2: Convert to fraction form
    442,733.40/664,013.70 = 143,141.40/x
  3. Step 3: Cross multiply
    442,733.40x = 664,013.70 × 143,141.40
  4. Step 4: Simplify right side
    442,733.40x = 95,047,850,637.18
  5. Step 5: Solve for x
    x = 95,047,850,637.18/442,733.40
  6. Step 6: Final answer
    x = 214,684.17

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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.