Home / 287,304.26-396,476.08-158,240.24

Finding the Fourth Proportional to 287,304.26, 396,476.08 and 158,240.24

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Solution

The fourth proportional to 287,304.26, 396,476.08 and 158,240.24 is: 218,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,304.26 : 396,476.08 = 158,240.24 : x
  2. Step 2: Convert to fraction form
    287,304.26/396,476.08 = 158,240.24/x
  3. Step 3: Cross multiply
    287,304.26x = 396,476.08 × 158,240.24
  4. Step 4: Simplify right side
    287,304.26x = 62,738,470,053.46
  5. Step 5: Solve for x
    x = 62,738,470,053.46/287,304.26
  6. Step 6: Final answer
    x = 218,369.44

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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.