Home / 279,392.20-385,561.97-158,533.16

Finding the Fourth Proportional to 279,392.20, 385,561.97 and 158,533.16

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Solution

The fourth proportional to 279,392.20, 385,561.97 and 158,533.16 is: 218,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,392.20 : 385,561.97 = 158,533.16 : x
  2. Step 2: Convert to fraction form
    279,392.20/385,561.97 = 158,533.16/x
  3. Step 3: Cross multiply
    279,392.20x = 385,561.97 × 158,533.16
  4. Step 4: Simplify right side
    279,392.20x = 61,124,358,956.68
  5. Step 5: Solve for x
    x = 61,124,358,956.68/279,392.20
  6. Step 6: Final answer
    x = 218,776.18

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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.