Home / 498,200.12-687,532.75-271,858.04

Finding the Fourth Proportional to 498,200.12, 687,532.75 and 271,858.04

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Solution

The fourth proportional to 498,200.12, 687,532.75 and 271,858.04 is: 375,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,200.12 : 687,532.75 = 271,858.04 : x
  2. Step 2: Convert to fraction form
    498,200.12/687,532.75 = 271,858.04/x
  3. Step 3: Cross multiply
    498,200.12x = 687,532.75 × 271,858.04
  4. Step 4: Simplify right side
    498,200.12x = 186,911,301,733.50
  5. Step 5: Solve for x
    x = 186,911,301,733.50/498,200.12
  6. Step 6: Final answer
    x = 375,173.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.