Home / 342,456.75-513,688.59-152,926.76

Finding the Fourth Proportional to 342,456.75, 513,688.59 and 152,926.76

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Solution

The fourth proportional to 342,456.75, 513,688.59 and 152,926.76 is: 229,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,456.75 : 513,688.59 = 152,926.76 : x
  2. Step 2: Convert to fraction form
    342,456.75/513,688.59 = 152,926.76/x
  3. Step 3: Cross multiply
    342,456.75x = 513,688.59 × 152,926.76
  4. Step 4: Simplify right side
    342,456.75x = 78,556,731,717.67
  5. Step 5: Solve for x
    x = 78,556,731,717.67/342,456.75
  6. Step 6: Final answer
    x = 229,391.69

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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.