Home / 259,749.02-358,450.13-145,029.43

Finding the Fourth Proportional to 259,749.02, 358,450.13 and 145,029.43

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Solution

The fourth proportional to 259,749.02, 358,450.13 and 145,029.43 is: 200,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,749.02 : 358,450.13 = 145,029.43 : x
  2. Step 2: Convert to fraction form
    259,749.02/358,450.13 = 145,029.43/x
  3. Step 3: Cross multiply
    259,749.02x = 358,450.13 × 145,029.43
  4. Step 4: Simplify right side
    259,749.02x = 51,985,817,503.77
  5. Step 5: Solve for x
    x = 51,985,817,503.77/259,749.02
  6. Step 6: Final answer
    x = 200,138.65

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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.