Home / 287,302.26-396,473.32-158,238.24

Finding the Fourth Proportional to 287,302.26, 396,473.32 and 158,238.24

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Solution

The fourth proportional to 287,302.26, 396,473.32 and 158,238.24 is: 218,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,302.26 : 396,473.32 = 158,238.24 : x
  2. Step 2: Convert to fraction form
    287,302.26/396,473.32 = 158,238.24/x
  3. Step 3: Cross multiply
    287,302.26x = 396,473.32 × 158,238.24
  4. Step 4: Simplify right side
    287,302.26x = 62,737,240,363.76
  5. Step 5: Solve for x
    x = 62,737,240,363.76/287,302.26
  6. Step 6: Final answer
    x = 218,366.68

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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.