Home / 307,512.06-424,357.02-180,272.40

Finding the Fourth Proportional to 307,512.06, 424,357.02 and 180,272.40

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Solution

The fourth proportional to 307,512.06, 424,357.02 and 180,272.40 is: 248,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,512.06 : 424,357.02 = 180,272.40 : x
  2. Step 2: Convert to fraction form
    307,512.06/424,357.02 = 180,272.40/x
  3. Step 3: Cross multiply
    307,512.06x = 424,357.02 × 180,272.40
  4. Step 4: Simplify right side
    307,512.06x = 76,499,858,452.25
  5. Step 5: Solve for x
    x = 76,499,858,452.25/307,512.06
  6. Step 6: Final answer
    x = 248,770.27

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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.