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Finding the Fourth Proportional to 245,886.68, 368,844.78 and 77,412.44

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Solution

The fourth proportional to 245,886.68, 368,844.78 and 77,412.44 is: 116,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,886.68 : 368,844.78 = 77,412.44 : x
  2. Step 2: Convert to fraction form
    245,886.68/368,844.78 = 77,412.44/x
  3. Step 3: Cross multiply
    245,886.68x = 368,844.78 × 77,412.44
  4. Step 4: Simplify right side
    245,886.68x = 28,553,174,401.06
  5. Step 5: Solve for x
    x = 28,553,174,401.06/245,886.68
  6. Step 6: Final answer
    x = 116,123.31

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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.