Home / 345,834.34-518,805.18-146,155.60

Finding the Fourth Proportional to 345,834.34, 518,805.18 and 146,155.60

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Solution

The fourth proportional to 345,834.34, 518,805.18 and 146,155.60 is: 219,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,834.34 : 518,805.18 = 146,155.60 : x
  2. Step 2: Convert to fraction form
    345,834.34/518,805.18 = 146,155.60/x
  3. Step 3: Cross multiply
    345,834.34x = 518,805.18 × 146,155.60
  4. Step 4: Simplify right side
    345,834.34x = 75,826,282,366.01
  5. Step 5: Solve for x
    x = 75,826,282,366.01/345,834.34
  6. Step 6: Final answer
    x = 219,256.08

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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.