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Finding the Fourth Proportional to 207,344.30, 311,016.46 and 102,368.30

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Solution

The fourth proportional to 207,344.30, 311,016.46 and 102,368.30 is: 153,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,344.30 : 311,016.46 = 102,368.30 : x
  2. Step 2: Convert to fraction form
    207,344.30/311,016.46 = 102,368.30/x
  3. Step 3: Cross multiply
    207,344.30x = 311,016.46 × 102,368.30
  4. Step 4: Simplify right side
    207,344.30x = 31,838,226,282.22
  5. Step 5: Solve for x
    x = 31,838,226,282.22/207,344.30
  6. Step 6: Final answer
    x = 153,552.45

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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.