Home / 308,248.32-462,506.16-108,711.36

Finding the Fourth Proportional to 308,248.32, 462,506.16 and 108,711.36

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Solution

The fourth proportional to 308,248.32, 462,506.16 and 108,711.36 is: 163,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,248.32 : 462,506.16 = 108,711.36 : x
  2. Step 2: Convert to fraction form
    308,248.32/462,506.16 = 108,711.36/x
  3. Step 3: Cross multiply
    308,248.32x = 462,506.16 × 108,711.36
  4. Step 4: Simplify right side
    308,248.32x = 50,279,673,661.98
  5. Step 5: Solve for x
    x = 50,279,673,661.98/308,248.32
  6. Step 6: Final answer
    x = 163,114.19

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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.