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Finding the Fourth Proportional to 259,165.35, 388,800.84 and 146,895.70

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Solution

The fourth proportional to 259,165.35, 388,800.84 and 146,895.70 is: 220,373.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,165.35 : 388,800.84 = 146,895.70 : x
  2. Step 2: Convert to fraction form
    259,165.35/388,800.84 = 146,895.70/x
  3. Step 3: Cross multiply
    259,165.35x = 388,800.84 × 146,895.70
  4. Step 4: Simplify right side
    259,165.35x = 57,113,171,552.39
  5. Step 5: Solve for x
    x = 57,113,171,552.39/259,165.35
  6. Step 6: Final answer
    x = 220,373.49

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1.5x scale

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.