Home / 459,022.58-688,269-178,211.78

Finding the Fourth Proportional to 459,022.58, 688,269 and 178,211.78

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Solution

The fourth proportional to 459,022.58, 688,269 and 178,211.78 is: 267,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,022.58 : 688,269 = 178,211.78 : x
  2. Step 2: Convert to fraction form
    459,022.58/688,269 = 178,211.78/x
  3. Step 3: Cross multiply
    459,022.58x = 688,269 × 178,211.78
  4. Step 4: Simplify right side
    459,022.58x = 122,657,643,608.82
  5. Step 5: Solve for x
    x = 122,657,643,608.82/459,022.58
  6. Step 6: Final answer
    x = 267,214.84

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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.