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Finding the Fourth Proportional to 341,523.20, 512,284.80 and 119,929.60

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Solution

The fourth proportional to 341,523.20, 512,284.80 and 119,929.60 is: 179,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,523.20 : 512,284.80 = 119,929.60 : x
  2. Step 2: Convert to fraction form
    341,523.20/512,284.80 = 119,929.60/x
  3. Step 3: Cross multiply
    341,523.20x = 512,284.80 × 119,929.60
  4. Step 4: Simplify right side
    341,523.20x = 61,438,111,150.08
  5. Step 5: Solve for x
    x = 61,438,111,150.08/341,523.20
  6. Step 6: Final answer
    x = 179,894.40

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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.