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Finding the Fourth Proportional to 345,801.60, 518,718.60 and 168,096.72

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Solution

The fourth proportional to 345,801.60, 518,718.60 and 168,096.72 is: 252,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,801.60 : 518,718.60 = 168,096.72 : x
  2. Step 2: Convert to fraction form
    345,801.60/518,718.60 = 168,096.72/x
  3. Step 3: Cross multiply
    345,801.60x = 518,718.60 × 168,096.72
  4. Step 4: Simplify right side
    345,801.60x = 87,194,895,262.99
  5. Step 5: Solve for x
    x = 87,194,895,262.99/345,801.60
  6. Step 6: Final answer
    x = 252,152.95

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1.5x scale

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.