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Finding the Fourth Proportional to 245,761, 368,700 and 79,549

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Solution

The fourth proportional to 245,761, 368,700 and 79,549 is: 119,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,761 : 368,700 = 79,549 : x
  2. Step 2: Convert to fraction form
    245,761/368,700 = 79,549/x
  3. Step 3: Cross multiply
    245,761x = 368,700 × 79,549
  4. Step 4: Simplify right side
    245,761x = 29,329,716,300
  5. Step 5: Solve for x
    x = 29,329,716,300/245,761
  6. Step 6: Final answer
    x = 119,342.44

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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.