Home / 401,265.91-553,656-272,221.99

Finding the Fourth Proportional to 401,265.91, 553,656 and 272,221.99

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Solution

The fourth proportional to 401,265.91, 553,656 and 272,221.99 is: 375,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,265.91 : 553,656 = 272,221.99 : x
  2. Step 2: Convert to fraction form
    401,265.91/553,656 = 272,221.99/x
  3. Step 3: Cross multiply
    401,265.91x = 553,656 × 272,221.99
  4. Step 4: Simplify right side
    401,265.91x = 150,717,338,095.44
  5. Step 5: Solve for x
    x = 150,717,338,095.44/401,265.91
  6. Step 6: Final answer
    x = 375,604.64

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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.