Home / 291,303.24-401,997.42-163,979.16

Finding the Fourth Proportional to 291,303.24, 401,997.42 and 163,979.16

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Solution

The fourth proportional to 291,303.24, 401,997.42 and 163,979.16 is: 226,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,303.24 : 401,997.42 = 163,979.16 : x
  2. Step 2: Convert to fraction form
    291,303.24/401,997.42 = 163,979.16/x
  3. Step 3: Cross multiply
    291,303.24x = 401,997.42 × 163,979.16
  4. Step 4: Simplify right side
    291,303.24x = 65,919,199,253.77
  5. Step 5: Solve for x
    x = 65,919,199,253.77/291,303.24
  6. Step 6: Final answer
    x = 226,290.65

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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.