Home / 287,534.22-396,799.83-158,477.28

Finding the Fourth Proportional to 287,534.22, 396,799.83 and 158,477.28

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Solution

The fourth proportional to 287,534.22, 396,799.83 and 158,477.28 is: 218,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,534.22 : 396,799.83 = 158,477.28 : x
  2. Step 2: Convert to fraction form
    287,534.22/396,799.83 = 158,477.28/x
  3. Step 3: Cross multiply
    287,534.22x = 396,799.83 × 158,477.28
  4. Step 4: Simplify right side
    287,534.22x = 62,883,757,762.86
  5. Step 5: Solve for x
    x = 62,883,757,762.86/287,534.22
  6. Step 6: Final answer
    x = 218,700.08

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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.