Home / 401,749.07-554,417.93-220,472.75

Finding the Fourth Proportional to 401,749.07, 554,417.93 and 220,472.75

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Solution

The fourth proportional to 401,749.07, 554,417.93 and 220,472.75 is: 304,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,749.07 : 554,417.93 = 220,472.75 : x
  2. Step 2: Convert to fraction form
    401,749.07/554,417.93 = 220,472.75/x
  3. Step 3: Cross multiply
    401,749.07x = 554,417.93 × 220,472.75
  4. Step 4: Simplify right side
    401,749.07x = 122,234,047,613.63
  5. Step 5: Solve for x
    x = 122,234,047,613.63/401,749.07
  6. Step 6: Final answer
    x = 304,254.72

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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.