Home / 486,176.54-670,960.80-268,427.21

Finding the Fourth Proportional to 486,176.54, 670,960.80 and 268,427.21

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Solution

The fourth proportional to 486,176.54, 670,960.80 and 268,427.21 is: 370,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,176.54 : 670,960.80 = 268,427.21 : x
  2. Step 2: Convert to fraction form
    486,176.54/670,960.80 = 268,427.21/x
  3. Step 3: Cross multiply
    486,176.54x = 670,960.80 × 268,427.21
  4. Step 4: Simplify right side
    486,176.54x = 180,104,132,208.56
  5. Step 5: Solve for x
    x = 180,104,132,208.56/486,176.54
  6. Step 6: Final answer
    x = 370,450.07

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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.