Home / 291,235.08-401,837.94-163,864.20

Finding the Fourth Proportional to 291,235.08, 401,837.94 and 163,864.20

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Solution

The fourth proportional to 291,235.08, 401,837.94 and 163,864.20 is: 226,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,235.08 : 401,837.94 = 163,864.20 : x
  2. Step 2: Convert to fraction form
    291,235.08/401,837.94 = 163,864.20/x
  3. Step 3: Cross multiply
    291,235.08x = 401,837.94 × 163,864.20
  4. Step 4: Simplify right side
    291,235.08x = 65,846,852,567.75
  5. Step 5: Solve for x
    x = 65,846,852,567.75/291,235.08
  6. Step 6: Final answer
    x = 226,095.20

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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.