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Finding the Fourth Proportional to 245,377.50, 368,152.65 and 120,805.98

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Solution

The fourth proportional to 245,377.50, 368,152.65 and 120,805.98 is: 181,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,377.50 : 368,152.65 = 120,805.98 : x
  2. Step 2: Convert to fraction form
    245,377.50/368,152.65 = 120,805.98/x
  3. Step 3: Cross multiply
    245,377.50x = 368,152.65 × 120,805.98
  4. Step 4: Simplify right side
    245,377.50x = 44,475,041,672.85
  5. Step 5: Solve for x
    x = 44,475,041,672.85/245,377.50
  6. Step 6: Final answer
    x = 181,251.51

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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.