Home / 342,740.28-513,216.18-275,814.84

Finding the Fourth Proportional to 342,740.28, 513,216.18 and 275,814.84

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Solution

The fourth proportional to 342,740.28, 513,216.18 and 275,814.84 is: 413,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,740.28 : 513,216.18 = 275,814.84 : x
  2. Step 2: Convert to fraction form
    342,740.28/513,216.18 = 275,814.84/x
  3. Step 3: Cross multiply
    342,740.28x = 513,216.18 × 275,814.84
  4. Step 4: Simplify right side
    342,740.28x = 141,552,638,572.11
  5. Step 5: Solve for x
    x = 141,552,638,572.11/342,740.28
  6. Step 6: Final answer
    x = 413,002.63

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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.