Home / 258,728.18-357,044.56-145,550.93

Finding the Fourth Proportional to 258,728.18, 357,044.56 and 145,550.93

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Solution

The fourth proportional to 258,728.18, 357,044.56 and 145,550.93 is: 200,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,728.18 : 357,044.56 = 145,550.93 : x
  2. Step 2: Convert to fraction form
    258,728.18/357,044.56 = 145,550.93/x
  3. Step 3: Cross multiply
    258,728.18x = 357,044.56 × 145,550.93
  4. Step 4: Simplify right side
    258,728.18x = 51,968,165,610.34
  5. Step 5: Solve for x
    x = 51,968,165,610.34/258,728.18
  6. Step 6: Final answer
    x = 200,860.09

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1.5x scale

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.