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Finding the Fourth Proportional to 281,317.08, 422,048.12 and 101,395.32

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Solution

The fourth proportional to 281,317.08, 422,048.12 and 101,395.32 is: 152,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,317.08 : 422,048.12 = 101,395.32 : x
  2. Step 2: Convert to fraction form
    281,317.08/422,048.12 = 101,395.32/x
  3. Step 3: Cross multiply
    281,317.08x = 422,048.12 × 101,395.32
  4. Step 4: Simplify right side
    281,317.08x = 42,793,703,675.82
  5. Step 5: Solve for x
    x = 42,793,703,675.82/281,317.08
  6. Step 6: Final answer
    x = 152,119.11

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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.