Home / 459,575.24-689,381.40-160,086.11

Finding the Fourth Proportional to 459,575.24, 689,381.40 and 160,086.11

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Solution

The fourth proportional to 459,575.24, 689,381.40 and 160,086.11 is: 240,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,575.24 : 689,381.40 = 160,086.11 : x
  2. Step 2: Convert to fraction form
    459,575.24/689,381.40 = 160,086.11/x
  3. Step 3: Cross multiply
    459,575.24x = 689,381.40 × 160,086.11
  4. Step 4: Simplify right side
    459,575.24x = 110,360,383,185.45
  5. Step 5: Solve for x
    x = 110,360,383,185.45/459,575.24
  6. Step 6: Final answer
    x = 240,135.62

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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.