Home / 660,837.32-991,293.70-187,485.48

Finding the Fourth Proportional to 660,837.32, 991,293.70 and 187,485.48

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Solution

The fourth proportional to 660,837.32, 991,293.70 and 187,485.48 is: 281,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,837.32 : 991,293.70 = 187,485.48 : x
  2. Step 2: Convert to fraction form
    660,837.32/991,293.70 = 187,485.48/x
  3. Step 3: Cross multiply
    660,837.32x = 991,293.70 × 187,485.48
  4. Step 4: Simplify right side
    660,837.32x = 185,853,175,165.48
  5. Step 5: Solve for x
    x = 185,853,175,165.48/660,837.32
  6. Step 6: Final answer
    x = 281,238.92

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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.