Home / 307,990.08-425,033.28-180,757.44

Finding the Fourth Proportional to 307,990.08, 425,033.28 and 180,757.44

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Solution

The fourth proportional to 307,990.08, 425,033.28 and 180,757.44 is: 249,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,990.08 : 425,033.28 = 180,757.44 : x
  2. Step 2: Convert to fraction form
    307,990.08/425,033.28 = 180,757.44/x
  3. Step 3: Cross multiply
    307,990.08x = 425,033.28 × 180,757.44
  4. Step 4: Simplify right side
    307,990.08x = 76,827,927,607.60
  5. Step 5: Solve for x
    x = 76,827,927,607.60/307,990.08
  6. Step 6: Final answer
    x = 249,449.36

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1.5x scale

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.