Home / 665,087.80-997,437.30-238,574.20

Finding the Fourth Proportional to 665,087.80, 997,437.30 and 238,574.20

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Solution

The fourth proportional to 665,087.80, 997,437.30 and 238,574.20 is: 357,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,087.80 : 997,437.30 = 238,574.20 : x
  2. Step 2: Convert to fraction form
    665,087.80/997,437.30 = 238,574.20/x
  3. Step 3: Cross multiply
    665,087.80x = 997,437.30 × 238,574.20
  4. Step 4: Simplify right side
    665,087.80x = 237,962,805,897.66
  5. Step 5: Solve for x
    x = 237,962,805,897.66/665,087.80
  6. Step 6: Final answer
    x = 357,791.57

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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.