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Finding the Fourth Proportional to 253,768.37, 380,622.90 and 101,959.32

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Solution

The fourth proportional to 253,768.37, 380,622.90 and 101,959.32 is: 152,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,768.37 : 380,622.90 = 101,959.32 : x
  2. Step 2: Convert to fraction form
    253,768.37/380,622.90 = 101,959.32/x
  3. Step 3: Cross multiply
    253,768.37x = 380,622.90 × 101,959.32
  4. Step 4: Simplify right side
    253,768.37x = 38,808,053,870.11
  5. Step 5: Solve for x
    x = 38,808,053,870.11/253,768.37
  6. Step 6: Final answer
    x = 152,927.08

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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.