Home / 258,727.87-357,043.90-145,550.62

Finding the Fourth Proportional to 258,727.87, 357,043.90 and 145,550.62

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Solution

The fourth proportional to 258,727.87, 357,043.90 and 145,550.62 is: 200,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,727.87 : 357,043.90 = 145,550.62 : x
  2. Step 2: Convert to fraction form
    258,727.87/357,043.90 = 145,550.62/x
  3. Step 3: Cross multiply
    258,727.87x = 357,043.90 × 145,550.62
  4. Step 4: Simplify right side
    258,727.87x = 51,967,961,012.22
  5. Step 5: Solve for x
    x = 51,967,961,012.22/258,727.87
  6. Step 6: Final answer
    x = 200,859.54

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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.