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Finding the Fourth Proportional to 399,994.40, 599,335.32 and 242,267.84

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Solution

The fourth proportional to 399,994.40, 599,335.32 and 242,267.84 is: 363,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,994.40 : 599,335.32 = 242,267.84 : x
  2. Step 2: Convert to fraction form
    399,994.40/599,335.32 = 242,267.84/x
  3. Step 3: Cross multiply
    399,994.40x = 599,335.32 × 242,267.84
  4. Step 4: Simplify right side
    399,994.40x = 145,199,673,412.11
  5. Step 5: Solve for x
    x = 145,199,673,412.11/399,994.40
  6. Step 6: Final answer
    x = 363,004.27

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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.