Home / 459,118.37-688,689.87-143,575.26

Finding the Fourth Proportional to 459,118.37, 688,689.87 and 143,575.26

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Solution

The fourth proportional to 459,118.37, 688,689.87 and 143,575.26 is: 215,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,118.37 : 688,689.87 = 143,575.26 : x
  2. Step 2: Convert to fraction form
    459,118.37/688,689.87 = 143,575.26/x
  3. Step 3: Cross multiply
    459,118.37x = 688,689.87 × 143,575.26
  4. Step 4: Simplify right side
    459,118.37x = 98,878,827,144.62
  5. Step 5: Solve for x
    x = 98,878,827,144.62/459,118.37
  6. Step 6: Final answer
    x = 215,366.74

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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.