Home / 279,244.08-385,356.92-158,346.64

Finding the Fourth Proportional to 279,244.08, 385,356.92 and 158,346.64

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Solution

The fourth proportional to 279,244.08, 385,356.92 and 158,346.64 is: 218,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,244.08 : 385,356.92 = 158,346.64 : x
  2. Step 2: Convert to fraction form
    279,244.08/385,356.92 = 158,346.64/x
  3. Step 3: Cross multiply
    279,244.08x = 385,356.92 × 158,346.64
  4. Step 4: Simplify right side
    279,244.08x = 61,019,973,482.75
  5. Step 5: Solve for x
    x = 61,019,973,482.75/279,244.08
  6. Step 6: Final answer
    x = 218,518.41

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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.