Home / 401,921.93-554,637.92-227,488.40

Finding the Fourth Proportional to 401,921.93, 554,637.92 and 227,488.40

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Solution

The fourth proportional to 401,921.93, 554,637.92 and 227,488.40 is: 313,925.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,921.93 : 554,637.92 = 227,488.40 : x
  2. Step 2: Convert to fraction form
    401,921.93/554,637.92 = 227,488.40/x
  3. Step 3: Cross multiply
    401,921.93x = 554,637.92 × 227,488.40
  4. Step 4: Simplify right side
    401,921.93x = 126,173,689,942.58
  5. Step 5: Solve for x
    x = 126,173,689,942.58/401,921.93
  6. Step 6: Final answer
    x = 313,925.86

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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.