Home / 401,682.08-554,302.56-220,389.92

Finding the Fourth Proportional to 401,682.08, 554,302.56 and 220,389.92

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Solution

The fourth proportional to 401,682.08, 554,302.56 and 220,389.92 is: 304,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,682.08 : 554,302.56 = 220,389.92 : x
  2. Step 2: Convert to fraction form
    401,682.08/554,302.56 = 220,389.92/x
  3. Step 3: Cross multiply
    401,682.08x = 554,302.56 × 220,389.92
  4. Step 4: Simplify right side
    401,682.08x = 122,162,696,854.20
  5. Step 5: Solve for x
    x = 122,162,696,854.20/401,682.08
  6. Step 6: Final answer
    x = 304,127.82

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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.