Home / 401,472.22-554,030.55-229,443.57

Finding the Fourth Proportional to 401,472.22, 554,030.55 and 229,443.57

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Solution

The fourth proportional to 401,472.22, 554,030.55 and 229,443.57 is: 316,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,472.22 : 554,030.55 = 229,443.57 : x
  2. Step 2: Convert to fraction form
    401,472.22/554,030.55 = 229,443.57/x
  3. Step 3: Cross multiply
    401,472.22x = 554,030.55 × 229,443.57
  4. Step 4: Simplify right side
    401,472.22x = 127,118,744,267.95
  5. Step 5: Solve for x
    x = 127,118,744,267.95/401,472.22
  6. Step 6: Final answer
    x = 316,631.48

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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.