Home / 287,448.48-396,673.38-180,077.58

Finding the Fourth Proportional to 287,448.48, 396,673.38 and 180,077.58

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Solution

The fourth proportional to 287,448.48, 396,673.38 and 180,077.58 is: 248,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,448.48 : 396,673.38 = 180,077.58 : x
  2. Step 2: Convert to fraction form
    287,448.48/396,673.38 = 180,077.58/x
  3. Step 3: Cross multiply
    287,448.48x = 396,673.38 × 180,077.58
  4. Step 4: Simplify right side
    287,448.48x = 71,431,982,320.82
  5. Step 5: Solve for x
    x = 71,431,982,320.82/287,448.48
  6. Step 6: Final answer
    x = 248,503.60

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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.