Home / 342,322.12-513,604.83-152,765.23

Finding the Fourth Proportional to 342,322.12, 513,604.83 and 152,765.23

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Solution

The fourth proportional to 342,322.12, 513,604.83 and 152,765.23 is: 229,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,322.12 : 513,604.83 = 152,765.23 : x
  2. Step 2: Convert to fraction form
    342,322.12/513,604.83 = 152,765.23/x
  3. Step 3: Cross multiply
    342,322.12x = 513,604.83 × 152,765.23
  4. Step 4: Simplify right side
    342,322.12x = 78,460,959,984.06
  5. Step 5: Solve for x
    x = 78,460,959,984.06/342,322.12
  6. Step 6: Final answer
    x = 229,202.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.