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Finding the Fourth Proportional to 364,500.10, 545,000.55 and 270,021.70

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Solution

The fourth proportional to 364,500.10, 545,000.55 and 270,021.70 is: 403,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,500.10 : 545,000.55 = 270,021.70 : x
  2. Step 2: Convert to fraction form
    364,500.10/545,000.55 = 270,021.70/x
  3. Step 3: Cross multiply
    364,500.10x = 545,000.55 × 270,021.70
  4. Step 4: Simplify right side
    364,500.10x = 147,161,975,011.94
  5. Step 5: Solve for x
    x = 147,161,975,011.94/364,500.10
  6. Step 6: Final answer
    x = 403,736.45

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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.