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Finding the Fourth Proportional to 391,567.35, 587,351.03 and 241,320.45

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Solution

The fourth proportional to 391,567.35, 587,351.03 and 241,320.45 is: 361,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,567.35 : 587,351.03 = 241,320.45 : x
  2. Step 2: Convert to fraction form
    391,567.35/587,351.03 = 241,320.45/x
  3. Step 3: Cross multiply
    391,567.35x = 587,351.03 × 241,320.45
  4. Step 4: Simplify right side
    391,567.35x = 141,739,813,660.96
  5. Step 5: Solve for x
    x = 141,739,813,660.96/391,567.35
  6. Step 6: Final answer
    x = 361,980.68

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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.