Home / 288,395.03-432,808.82-108,657.75

Finding the Fourth Proportional to 288,395.03, 432,808.82 and 108,657.75

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Solution

The fourth proportional to 288,395.03, 432,808.82 and 108,657.75 is: 163,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,395.03 : 432,808.82 = 108,657.75 : x
  2. Step 2: Convert to fraction form
    288,395.03/432,808.82 = 108,657.75/x
  3. Step 3: Cross multiply
    288,395.03x = 432,808.82 × 108,657.75
  4. Step 4: Simplify right side
    288,395.03x = 47,028,034,048.57
  5. Step 5: Solve for x
    x = 47,028,034,048.57/288,395.03
  6. Step 6: Final answer
    x = 163,068.11

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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.