Home / 258,521.22-356,759.26-145,343.97

Finding the Fourth Proportional to 258,521.22, 356,759.26 and 145,343.97

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Solution

The fourth proportional to 258,521.22, 356,759.26 and 145,343.97 is: 200,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,521.22 : 356,759.26 = 145,343.97 : x
  2. Step 2: Convert to fraction form
    258,521.22/356,759.26 = 145,343.97/x
  3. Step 3: Cross multiply
    258,521.22x = 356,759.26 × 145,343.97
  4. Step 4: Simplify right side
    258,521.22x = 51,852,807,182.66
  5. Step 5: Solve for x
    x = 51,852,807,182.66/258,521.22
  6. Step 6: Final answer
    x = 200,574.67

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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.