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Finding the Fourth Proportional to 318,599.33, 439,667.22 and 175,358.36

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Solution

The fourth proportional to 318,599.33, 439,667.22 and 175,358.36 is: 241,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,599.33 : 439,667.22 = 175,358.36 : x
  2. Step 2: Convert to fraction form
    318,599.33/439,667.22 = 175,358.36/x
  3. Step 3: Cross multiply
    318,599.33x = 439,667.22 × 175,358.36
  4. Step 4: Simplify right side
    318,599.33x = 77,099,322,644.96
  5. Step 5: Solve for x
    x = 77,099,322,644.96/318,599.33
  6. Step 6: Final answer
    x = 241,994.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.