Home / 290,865.32-436,298.58-88,463.24

Finding the Fourth Proportional to 290,865.32, 436,298.58 and 88,463.24

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Solution

The fourth proportional to 290,865.32, 436,298.58 and 88,463.24 is: 132,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,865.32 : 436,298.58 = 88,463.24 : x
  2. Step 2: Convert to fraction form
    290,865.32/436,298.58 = 88,463.24/x
  3. Step 3: Cross multiply
    290,865.32x = 436,298.58 × 88,463.24
  4. Step 4: Simplify right side
    290,865.32x = 38,596,385,994.20
  5. Step 5: Solve for x
    x = 38,596,385,994.20/290,865.32
  6. Step 6: Final answer
    x = 132,695.04

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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.