Home / 207,257.40-310,655.70-88,908.60

Finding the Fourth Proportional to 207,257.40, 310,655.70 and 88,908.60

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Solution

The fourth proportional to 207,257.40, 310,655.70 and 88,908.60 is: 133,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,257.40 : 310,655.70 = 88,908.60 : x
  2. Step 2: Convert to fraction form
    207,257.40/310,655.70 = 88,908.60/x
  3. Step 3: Cross multiply
    207,257.40x = 310,655.70 × 88,908.60
  4. Step 4: Simplify right side
    207,257.40x = 27,619,963,369.02
  5. Step 5: Solve for x
    x = 27,619,963,369.02/207,257.40
  6. Step 6: Final answer
    x = 133,264.06

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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.