Home / 258,559.76-356,814.60-145,381.52

Finding the Fourth Proportional to 258,559.76, 356,814.60 and 145,381.52

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Solution

The fourth proportional to 258,559.76, 356,814.60 and 145,381.52 is: 200,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,559.76 : 356,814.60 = 145,381.52 : x
  2. Step 2: Convert to fraction form
    258,559.76/356,814.60 = 145,381.52/x
  3. Step 3: Cross multiply
    258,559.76x = 356,814.60 × 145,381.52
  4. Step 4: Simplify right side
    258,559.76x = 51,874,248,906.19
  5. Step 5: Solve for x
    x = 51,874,248,906.19/258,559.76
  6. Step 6: Final answer
    x = 200,627.70

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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.