Home / 459,029.43-688,544.15-139,180.68

Finding the Fourth Proportional to 459,029.43, 688,544.15 and 139,180.68

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Solution

The fourth proportional to 459,029.43, 688,544.15 and 139,180.68 is: 208,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,029.43 : 688,544.15 = 139,180.68 : x
  2. Step 2: Convert to fraction form
    459,029.43/688,544.15 = 139,180.68/x
  3. Step 3: Cross multiply
    459,029.43x = 688,544.15 × 139,180.68
  4. Step 4: Simplify right side
    459,029.43x = 95,832,042,311.12
  5. Step 5: Solve for x
    x = 95,832,042,311.12/459,029.43
  6. Step 6: Final answer
    x = 208,771.02

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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.