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Finding the Fourth Proportional to 304,768.20, 456,374.70 and 242,560.20

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Solution

The fourth proportional to 304,768.20, 456,374.70 and 242,560.20 is: 363,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,768.20 : 456,374.70 = 242,560.20 : x
  2. Step 2: Convert to fraction form
    304,768.20/456,374.70 = 242,560.20/x
  3. Step 3: Cross multiply
    304,768.20x = 456,374.70 × 242,560.20
  4. Step 4: Simplify right side
    304,768.20x = 110,698,338,506.94
  5. Step 5: Solve for x
    x = 110,698,338,506.94/304,768.20
  6. Step 6: Final answer
    x = 363,221.42

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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.