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Finding the Fourth Proportional to 650,187.78, 975,347.28 and 245,278.38

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Solution

The fourth proportional to 650,187.78, 975,347.28 and 245,278.38 is: 367,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,187.78 : 975,347.28 = 245,278.38 : x
  2. Step 2: Convert to fraction form
    650,187.78/975,347.28 = 245,278.38/x
  3. Step 3: Cross multiply
    650,187.78x = 975,347.28 × 245,278.38
  4. Step 4: Simplify right side
    650,187.78x = 239,231,600,775.81
  5. Step 5: Solve for x
    x = 239,231,600,775.81/650,187.78
  6. Step 6: Final answer
    x = 367,942.32

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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.