Home / 627,421.29-940,990.59-178,132.92

Finding the Fourth Proportional to 627,421.29, 940,990.59 and 178,132.92

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Solution

The fourth proportional to 627,421.29, 940,990.59 and 178,132.92 is: 267,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,421.29 : 940,990.59 = 178,132.92 : x
  2. Step 2: Convert to fraction form
    627,421.29/940,990.59 = 178,132.92/x
  3. Step 3: Cross multiply
    627,421.29x = 940,990.59 × 178,132.92
  4. Step 4: Simplify right side
    627,421.29x = 167,621,401,489.22
  5. Step 5: Solve for x
    x = 167,621,401,489.22/627,421.29
  6. Step 6: Final answer
    x = 267,159.25

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1.5x scale

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.