Home / 281,281.14-387,801.36-179,269.38

Finding the Fourth Proportional to 281,281.14, 387,801.36 and 179,269.38

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Solution

The fourth proportional to 281,281.14, 387,801.36 and 179,269.38 is: 247,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,281.14 : 387,801.36 = 179,269.38 : x
  2. Step 2: Convert to fraction form
    281,281.14/387,801.36 = 179,269.38/x
  3. Step 3: Cross multiply
    281,281.14x = 387,801.36 × 179,269.38
  4. Step 4: Simplify right side
    281,281.14x = 69,520,909,370.36
  5. Step 5: Solve for x
    x = 69,520,909,370.36/281,281.14
  6. Step 6: Final answer
    x = 247,158.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.