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Finding the Fourth Proportional to 302,052.81, 453,156.10 and 88,828.28

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Solution

The fourth proportional to 302,052.81, 453,156.10 and 88,828.28 is: 133,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,052.81 : 453,156.10 = 88,828.28 : x
  2. Step 2: Convert to fraction form
    302,052.81/453,156.10 = 88,828.28/x
  3. Step 3: Cross multiply
    302,052.81x = 453,156.10 × 88,828.28
  4. Step 4: Simplify right side
    302,052.81x = 40,253,076,934.51
  5. Step 5: Solve for x
    x = 40,253,076,934.51/302,052.81
  6. Step 6: Final answer
    x = 133,265.03

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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.