Home / 342,235.45-513,313.93-89,540.34

Finding the Fourth Proportional to 342,235.45, 513,313.93 and 89,540.34

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Solution

The fourth proportional to 342,235.45, 513,313.93 and 89,540.34 is: 134,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,235.45 : 513,313.93 = 89,540.34 : x
  2. Step 2: Convert to fraction form
    342,235.45/513,313.93 = 89,540.34/x
  3. Step 3: Cross multiply
    342,235.45x = 513,313.93 × 89,540.34
  4. Step 4: Simplify right side
    342,235.45x = 45,962,303,818.94
  5. Step 5: Solve for x
    x = 45,962,303,818.94/342,235.45
  6. Step 6: Final answer
    x = 134,300.24

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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.