Home / 208,230.35-312,306.11-101,507.10

Finding the Fourth Proportional to 208,230.35, 312,306.11 and 101,507.10

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Solution

The fourth proportional to 208,230.35, 312,306.11 and 101,507.10 is: 152,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,230.35 : 312,306.11 = 101,507.10 : x
  2. Step 2: Convert to fraction form
    208,230.35/312,306.11 = 101,507.10/x
  3. Step 3: Cross multiply
    208,230.35x = 312,306.11 × 101,507.10
  4. Step 4: Simplify right side
    208,230.35x = 31,701,286,833.22
  5. Step 5: Solve for x
    x = 31,701,286,833.22/208,230.35
  6. Step 6: Final answer
    x = 152,241.44

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1.5x scale

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.