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Finding the Fourth Proportional to 341,403.20, 512,104.80 and 164,256.20

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Solution

The fourth proportional to 341,403.20, 512,104.80 and 164,256.20 is: 246,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,403.20 : 512,104.80 = 164,256.20 : x
  2. Step 2: Convert to fraction form
    341,403.20/512,104.80 = 164,256.20/x
  3. Step 3: Cross multiply
    341,403.20x = 512,104.80 × 164,256.20
  4. Step 4: Simplify right side
    341,403.20x = 84,116,388,449.76
  5. Step 5: Solve for x
    x = 84,116,388,449.76/341,403.20
  6. Step 6: Final answer
    x = 246,384.30

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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.