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Finding the Fourth Proportional to 207,271.70, 310,907.55 and 157,505.30

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Solution

The fourth proportional to 207,271.70, 310,907.55 and 157,505.30 is: 236,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,271.70 : 310,907.55 = 157,505.30 : x
  2. Step 2: Convert to fraction form
    207,271.70/310,907.55 = 157,505.30/x
  3. Step 3: Cross multiply
    207,271.70x = 310,907.55 × 157,505.30
  4. Step 4: Simplify right side
    207,271.70x = 48,969,586,935.02
  5. Step 5: Solve for x
    x = 48,969,586,935.02/207,271.70
  6. Step 6: Final answer
    x = 236,257.95

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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.