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Finding the Fourth Proportional to 544,089.30, 815,842.35 and 228,189.30

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Solution

The fourth proportional to 544,089.30, 815,842.35 and 228,189.30 is: 342,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,089.30 : 815,842.35 = 228,189.30 : x
  2. Step 2: Convert to fraction form
    544,089.30/815,842.35 = 228,189.30/x
  3. Step 3: Cross multiply
    544,089.30x = 815,842.35 × 228,189.30
  4. Step 4: Simplify right side
    544,089.30x = 186,166,494,756.86
  5. Step 5: Solve for x
    x = 186,166,494,756.86/544,089.30
  6. Step 6: Final answer
    x = 342,161.65

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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.