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Finding the Fourth Proportional to 341,340.30, 512,010.45 and 215,369.10

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Solution

The fourth proportional to 341,340.30, 512,010.45 and 215,369.10 is: 323,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,340.30 : 512,010.45 = 215,369.10 : x
  2. Step 2: Convert to fraction form
    341,340.30/512,010.45 = 215,369.10/x
  3. Step 3: Cross multiply
    341,340.30x = 512,010.45 × 215,369.10
  4. Step 4: Simplify right side
    341,340.30x = 110,271,229,807.10
  5. Step 5: Solve for x
    x = 110,271,229,807.10/341,340.30
  6. Step 6: Final answer
    x = 323,053.65

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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.