Home / 281,363.50-422,148.93-148,238.38

Finding the Fourth Proportional to 281,363.50, 422,148.93 and 148,238.38

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Solution

The fourth proportional to 281,363.50, 422,148.93 and 148,238.38 is: 222,412.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,363.50 : 422,148.93 = 148,238.38 : x
  2. Step 2: Convert to fraction form
    281,363.50/422,148.93 = 148,238.38/x
  3. Step 3: Cross multiply
    281,363.50x = 422,148.93 × 148,238.38
  4. Step 4: Simplify right side
    281,363.50x = 62,578,673,501.93
  5. Step 5: Solve for x
    x = 62,578,673,501.93/281,363.50
  6. Step 6: Final answer
    x = 222,412.19

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1.5x scale

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.