Home / 287,325.02-396,504.92-158,260.93

Finding the Fourth Proportional to 287,325.02, 396,504.92 and 158,260.93

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Solution

The fourth proportional to 287,325.02, 396,504.92 and 158,260.93 is: 218,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,325.02 : 396,504.92 = 158,260.93 : x
  2. Step 2: Convert to fraction form
    287,325.02/396,504.92 = 158,260.93/x
  3. Step 3: Cross multiply
    287,325.02x = 396,504.92 × 158,260.93
  4. Step 4: Simplify right side
    287,325.02x = 62,751,236,235.58
  5. Step 5: Solve for x
    x = 62,751,236,235.58/287,325.02
  6. Step 6: Final answer
    x = 218,398.09

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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.