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Finding the Fourth Proportional to 340,807.44, 511,208.28 and 88,066.20

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Solution

The fourth proportional to 340,807.44, 511,208.28 and 88,066.20 is: 132,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,807.44 : 511,208.28 = 88,066.20 : x
  2. Step 2: Convert to fraction form
    340,807.44/511,208.28 = 88,066.20/x
  3. Step 3: Cross multiply
    340,807.44x = 511,208.28 × 88,066.20
  4. Step 4: Simplify right side
    340,807.44x = 45,020,170,628.14
  5. Step 5: Solve for x
    x = 45,020,170,628.14/340,807.44
  6. Step 6: Final answer
    x = 132,098.56

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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.