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Finding the Fourth Proportional to 284,880.60, 426,970.98 and 159,959.16

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Solution

The fourth proportional to 284,880.60, 426,970.98 and 159,959.16 is: 239,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,880.60 : 426,970.98 = 159,959.16 : x
  2. Step 2: Convert to fraction form
    284,880.60/426,970.98 = 159,959.16/x
  3. Step 3: Cross multiply
    284,880.60x = 426,970.98 × 159,959.16
  4. Step 4: Simplify right side
    284,880.60x = 68,297,919,305.18
  5. Step 5: Solve for x
    x = 68,297,919,305.18/284,880.60
  6. Step 6: Final answer
    x = 239,742.26

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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.