Home / 305,250.33-421,266.90-169,297.23

Finding the Fourth Proportional to 305,250.33, 421,266.90 and 169,297.23

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Solution

The fourth proportional to 305,250.33, 421,266.90 and 169,297.23 is: 233,642.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,250.33 : 421,266.90 = 169,297.23 : x
  2. Step 2: Convert to fraction form
    305,250.33/421,266.90 = 169,297.23/x
  3. Step 3: Cross multiply
    305,250.33x = 421,266.90 × 169,297.23
  4. Step 4: Simplify right side
    305,250.33x = 71,319,319,260.69
  5. Step 5: Solve for x
    x = 71,319,319,260.69/305,250.33
  6. Step 6: Final answer
    x = 233,642.07

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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.