Home / 251,929.64-347,830.18-156,578.60

Finding the Fourth Proportional to 251,929.64, 347,830.18 and 156,578.60

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Solution

The fourth proportional to 251,929.64, 347,830.18 and 156,578.60 is: 216,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,929.64 : 347,830.18 = 156,578.60 : x
  2. Step 2: Convert to fraction form
    251,929.64/347,830.18 = 156,578.60/x
  3. Step 3: Cross multiply
    251,929.64x = 347,830.18 × 156,578.60
  4. Step 4: Simplify right side
    251,929.64x = 54,462,762,622.15
  5. Step 5: Solve for x
    x = 54,462,762,622.15/251,929.64
  6. Step 6: Final answer
    x = 216,182.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.