Home / 268,117.92-401,415.28-204,864.16

Finding the Fourth Proportional to 268,117.92, 401,415.28 and 204,864.16

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Solution

The fourth proportional to 268,117.92, 401,415.28 and 204,864.16 is: 306,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,117.92 : 401,415.28 = 204,864.16 : x
  2. Step 2: Convert to fraction form
    268,117.92/401,415.28 = 204,864.16/x
  3. Step 3: Cross multiply
    268,117.92x = 401,415.28 × 204,864.16
  4. Step 4: Simplify right side
    268,117.92x = 82,235,604,148.36
  5. Step 5: Solve for x
    x = 82,235,604,148.36/268,117.92
  6. Step 6: Final answer
    x = 306,714.31

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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.