Home / 465,450.38-642,330.02-258,738.18

Finding the Fourth Proportional to 465,450.38, 642,330.02 and 258,738.18

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Solution

The fourth proportional to 465,450.38, 642,330.02 and 258,738.18 is: 357,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,450.38 : 642,330.02 = 258,738.18 : x
  2. Step 2: Convert to fraction form
    465,450.38/642,330.02 = 258,738.18/x
  3. Step 3: Cross multiply
    465,450.38x = 642,330.02 × 258,738.18
  4. Step 4: Simplify right side
    465,450.38x = 166,195,300,334.16
  5. Step 5: Solve for x
    x = 166,195,300,334.16/465,450.38
  6. Step 6: Final answer
    x = 357,063.41

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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.