Home / 459,918.33-689,988.57-144,375.24

Finding the Fourth Proportional to 459,918.33, 689,988.57 and 144,375.24

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Solution

The fourth proportional to 459,918.33, 689,988.57 and 144,375.24 is: 216,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,918.33 : 689,988.57 = 144,375.24 : x
  2. Step 2: Convert to fraction form
    459,918.33/689,988.57 = 144,375.24/x
  3. Step 3: Cross multiply
    459,918.33x = 689,988.57 × 144,375.24
  4. Step 4: Simplify right side
    459,918.33x = 99,617,265,391.01
  5. Step 5: Solve for x
    x = 99,617,265,391.01/459,918.33
  6. Step 6: Final answer
    x = 216,597.73

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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.