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Finding the Fourth Proportional to 162,752.80, 244,129.16 and 44,427.28

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Solution

The fourth proportional to 162,752.80, 244,129.16 and 44,427.28 is: 66,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,752.80 : 244,129.16 = 44,427.28 : x
  2. Step 2: Convert to fraction form
    162,752.80/244,129.16 = 44,427.28/x
  3. Step 3: Cross multiply
    162,752.80x = 244,129.16 × 44,427.28
  4. Step 4: Simplify right side
    162,752.80x = 10,845,994,547.48
  5. Step 5: Solve for x
    x = 10,845,994,547.48/162,752.80
  6. Step 6: Final answer
    x = 66,640.91

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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.