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Finding the Fourth Proportional to 242,838.45, 364,257.68 and 228,064.05

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Solution

The fourth proportional to 242,838.45, 364,257.68 and 228,064.05 is: 342,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,838.45 : 364,257.68 = 228,064.05 : x
  2. Step 2: Convert to fraction form
    242,838.45/364,257.68 = 228,064.05/x
  3. Step 3: Cross multiply
    242,838.45x = 364,257.68 × 228,064.05
  4. Step 4: Simplify right side
    242,838.45x = 83,074,080,604.08
  5. Step 5: Solve for x
    x = 83,074,080,604.08/242,838.45
  6. Step 6: Final answer
    x = 342,096.08

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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.