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Finding the Fourth Proportional to 547,200.79, 755,144.56 and 302,202.07

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Solution

The fourth proportional to 547,200.79, 755,144.56 and 302,202.07 is: 417,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,200.79 : 755,144.56 = 302,202.07 : x
  2. Step 2: Convert to fraction form
    547,200.79/755,144.56 = 302,202.07/x
  3. Step 3: Cross multiply
    547,200.79x = 755,144.56 × 302,202.07
  4. Step 4: Simplify right side
    547,200.79x = 228,206,249,369.50
  5. Step 5: Solve for x
    x = 228,206,249,369.50/547,200.79
  6. Step 6: Final answer
    x = 417,042.98

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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.