Home / 345,880.96-518,979.08-177,519.52

Finding the Fourth Proportional to 345,880.96, 518,979.08 and 177,519.52

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Solution

The fourth proportional to 345,880.96, 518,979.08 and 177,519.52 is: 266,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,880.96 : 518,979.08 = 177,519.52 : x
  2. Step 2: Convert to fraction form
    345,880.96/518,979.08 = 177,519.52/x
  3. Step 3: Cross multiply
    345,880.96x = 518,979.08 × 177,519.52
  4. Step 4: Simplify right side
    345,880.96x = 92,128,916,317.99
  5. Step 5: Solve for x
    x = 92,128,916,317.99/345,880.96
  6. Step 6: Final answer
    x = 266,360.18

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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.