Home / 442,942.06-664,467.90-158,663.11

Finding the Fourth Proportional to 442,942.06, 664,467.90 and 158,663.11

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Solution

The fourth proportional to 442,942.06, 664,467.90 and 158,663.11 is: 238,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,942.06 : 664,467.90 = 158,663.11 : x
  2. Step 2: Convert to fraction form
    442,942.06/664,467.90 = 158,663.11/x
  3. Step 3: Cross multiply
    442,942.06x = 664,467.90 × 158,663.11
  4. Step 4: Simplify right side
    442,942.06x = 105,426,543,509.17
  5. Step 5: Solve for x
    x = 105,426,543,509.17/442,942.06
  6. Step 6: Final answer
    x = 238,014.30

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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.