Home / 459,809.11-689,717.53-160,289.13

Finding the Fourth Proportional to 459,809.11, 689,717.53 and 160,289.13

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Solution

The fourth proportional to 459,809.11, 689,717.53 and 160,289.13 is: 240,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,809.11 : 689,717.53 = 160,289.13 : x
  2. Step 2: Convert to fraction form
    459,809.11/689,717.53 = 160,289.13/x
  3. Step 3: Cross multiply
    459,809.11x = 689,717.53 × 160,289.13
  4. Step 4: Simplify right side
    459,809.11x = 110,554,221,736.59
  5. Step 5: Solve for x
    x = 110,554,221,736.59/459,809.11
  6. Step 6: Final answer
    x = 240,435.04

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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.