Home / 459,914.21-689,982.38-144,371.11

Finding the Fourth Proportional to 459,914.21, 689,982.38 and 144,371.11

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Solution

The fourth proportional to 459,914.21, 689,982.38 and 144,371.11 is: 216,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,914.21 : 689,982.38 = 144,371.11 : x
  2. Step 2: Convert to fraction form
    459,914.21/689,982.38 = 144,371.11/x
  3. Step 3: Cross multiply
    459,914.21x = 689,982.38 × 144,371.11
  4. Step 4: Simplify right side
    459,914.21x = 99,613,522,763.06
  5. Step 5: Solve for x
    x = 99,613,522,763.06/459,914.21
  6. Step 6: Final answer
    x = 216,591.53

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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.