Home / 258,865.14-357,233.85-145,687.62

Finding the Fourth Proportional to 258,865.14, 357,233.85 and 145,687.62

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Solution

The fourth proportional to 258,865.14, 357,233.85 and 145,687.62 is: 201,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,865.14 : 357,233.85 = 145,687.62 : x
  2. Step 2: Convert to fraction form
    258,865.14/357,233.85 = 145,687.62/x
  3. Step 3: Cross multiply
    258,865.14x = 357,233.85 × 145,687.62
  4. Step 4: Simplify right side
    258,865.14x = 52,044,549,389.94
  5. Step 5: Solve for x
    x = 52,044,549,389.94/258,865.14
  6. Step 6: Final answer
    x = 201,048.89

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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.