Home / 287,541.03-396,829.44-158,502.45

Finding the Fourth Proportional to 287,541.03, 396,829.44 and 158,502.45

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Solution

The fourth proportional to 287,541.03, 396,829.44 and 158,502.45 is: 218,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,541.03 : 396,829.44 = 158,502.45 : x
  2. Step 2: Convert to fraction form
    287,541.03/396,829.44 = 158,502.45/x
  3. Step 3: Cross multiply
    287,541.03x = 396,829.44 × 158,502.45
  4. Step 4: Simplify right side
    287,541.03x = 62,898,437,679.62
  5. Step 5: Solve for x
    x = 62,898,437,679.62/287,541.03
  6. Step 6: Final answer
    x = 218,745.96

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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.