Home / 389,320.20-583,289.10-241,403.40

Finding the Fourth Proportional to 389,320.20, 583,289.10 and 241,403.40

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Solution

The fourth proportional to 389,320.20, 583,289.10 and 241,403.40 is: 361,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,320.20 : 583,289.10 = 241,403.40 : x
  2. Step 2: Convert to fraction form
    389,320.20/583,289.10 = 241,403.40/x
  3. Step 3: Cross multiply
    389,320.20x = 583,289.10 × 241,403.40
  4. Step 4: Simplify right side
    389,320.20x = 140,807,971,922.94
  5. Step 5: Solve for x
    x = 140,807,971,922.94/389,320.20
  6. Step 6: Final answer
    x = 361,676.51

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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.