Home / 558,749.40-838,139.49-204,027.72

Finding the Fourth Proportional to 558,749.40, 838,139.49 and 204,027.72

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Solution

The fourth proportional to 558,749.40, 838,139.49 and 204,027.72 is: 306,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,749.40 : 838,139.49 = 204,027.72 : x
  2. Step 2: Convert to fraction form
    558,749.40/838,139.49 = 204,027.72/x
  3. Step 3: Cross multiply
    558,749.40x = 838,139.49 × 204,027.72
  4. Step 4: Simplify right side
    558,749.40x = 171,003,689,186.66
  5. Step 5: Solve for x
    x = 171,003,689,186.66/558,749.40
  6. Step 6: Final answer
    x = 306,047.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.