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Finding the Fourth Proportional to 259,329.60, 388,994.40 and 154,094.40

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Solution

The fourth proportional to 259,329.60, 388,994.40 and 154,094.40 is: 231,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,329.60 : 388,994.40 = 154,094.40 : x
  2. Step 2: Convert to fraction form
    259,329.60/388,994.40 = 154,094.40/x
  3. Step 3: Cross multiply
    259,329.60x = 388,994.40 × 154,094.40
  4. Step 4: Simplify right side
    259,329.60x = 59,941,858,671.36
  5. Step 5: Solve for x
    x = 59,941,858,671.36/259,329.60
  6. Step 6: Final answer
    x = 231,141.60

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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.