Home / 280,395.24-386,945.06-179,793

Finding the Fourth Proportional to 280,395.24, 386,945.06 and 179,793

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Solution

The fourth proportional to 280,395.24, 386,945.06 and 179,793 is: 248,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,395.24 : 386,945.06 = 179,793 : x
  2. Step 2: Convert to fraction form
    280,395.24/386,945.06 = 179,793/x
  3. Step 3: Cross multiply
    280,395.24x = 386,945.06 × 179,793
  4. Step 4: Simplify right side
    280,395.24x = 69,570,013,172.58
  5. Step 5: Solve for x
    x = 69,570,013,172.58/280,395.24
  6. Step 6: Final answer
    x = 248,114.10

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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.