Home / 290,864.32-436,297.08-88,462.24

Finding the Fourth Proportional to 290,864.32, 436,297.08 and 88,462.24

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Solution

The fourth proportional to 290,864.32, 436,297.08 and 88,462.24 is: 132,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,864.32 : 436,297.08 = 88,462.24 : x
  2. Step 2: Convert to fraction form
    290,864.32/436,297.08 = 88,462.24/x
  3. Step 3: Cross multiply
    290,864.32x = 436,297.08 × 88,462.24
  4. Step 4: Simplify right side
    290,864.32x = 38,595,817,002.26
  5. Step 5: Solve for x
    x = 38,595,817,002.26/290,864.32
  6. Step 6: Final answer
    x = 132,693.54

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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.