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Finding the Fourth Proportional to 533,942.86, 800,475.26 and 249,492.72

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Solution

The fourth proportional to 533,942.86, 800,475.26 and 249,492.72 is: 374,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,942.86 : 800,475.26 = 249,492.72 : x
  2. Step 2: Convert to fraction form
    533,942.86/800,475.26 = 249,492.72/x
  3. Step 3: Cross multiply
    533,942.86x = 800,475.26 × 249,492.72
  4. Step 4: Simplify right side
    533,942.86x = 199,712,749,910.11
  5. Step 5: Solve for x
    x = 199,712,749,910.11/533,942.86
  6. Step 6: Final answer
    x = 374,033.94

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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.