Home / 459,282.15-688,918.37-143,741.79

Finding the Fourth Proportional to 459,282.15, 688,918.37 and 143,741.79

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Solution

The fourth proportional to 459,282.15, 688,918.37 and 143,741.79 is: 215,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,282.15 : 688,918.37 = 143,741.79 : x
  2. Step 2: Convert to fraction form
    459,282.15/688,918.37 = 143,741.79/x
  3. Step 3: Cross multiply
    459,282.15x = 688,918.37 × 143,741.79
  4. Step 4: Simplify right side
    459,282.15x = 99,026,358,948.97
  5. Step 5: Solve for x
    x = 99,026,358,948.97/459,282.15
  6. Step 6: Final answer
    x = 215,611.16

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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.