Home / 341,966.87-513,006.04-105,309.54

Finding the Fourth Proportional to 341,966.87, 513,006.04 and 105,309.54

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Solution

The fourth proportional to 341,966.87, 513,006.04 and 105,309.54 is: 157,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,966.87 : 513,006.04 = 105,309.54 : x
  2. Step 2: Convert to fraction form
    341,966.87/513,006.04 = 105,309.54/x
  3. Step 3: Cross multiply
    341,966.87x = 513,006.04 × 105,309.54
  4. Step 4: Simplify right side
    341,966.87x = 54,024,429,826.35
  5. Step 5: Solve for x
    x = 54,024,429,826.35/341,966.87
  6. Step 6: Final answer
    x = 157,981.48

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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.