Home / 372,579.32-558,873.84-162,209.36

Finding the Fourth Proportional to 372,579.32, 558,873.84 and 162,209.36

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Solution

The fourth proportional to 372,579.32, 558,873.84 and 162,209.36 is: 243,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,579.32 : 558,873.84 = 162,209.36 : x
  2. Step 2: Convert to fraction form
    372,579.32/558,873.84 = 162,209.36/x
  3. Step 3: Cross multiply
    372,579.32x = 558,873.84 × 162,209.36
  4. Step 4: Simplify right side
    372,579.32x = 90,654,567,907.14
  5. Step 5: Solve for x
    x = 90,654,567,907.14/372,579.32
  6. Step 6: Final answer
    x = 243,316.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.