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Finding the Fourth Proportional to 328,880.46, 453,476.70 and 242,963.76

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Solution

The fourth proportional to 328,880.46, 453,476.70 and 242,963.76 is: 335,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,880.46 : 453,476.70 = 242,963.76 : x
  2. Step 2: Convert to fraction form
    328,880.46/453,476.70 = 242,963.76/x
  3. Step 3: Cross multiply
    328,880.46x = 453,476.70 × 242,963.76
  4. Step 4: Simplify right side
    328,880.46x = 110,178,404,104.39
  5. Step 5: Solve for x
    x = 110,178,404,104.39/328,880.46
  6. Step 6: Final answer
    x = 335,010.49

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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.