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Finding the Fourth Proportional to 435,383.84, 653,328 and 182,642

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Solution

The fourth proportional to 435,383.84, 653,328 and 182,642 is: 274,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,383.84 : 653,328 = 182,642 : x
  2. Step 2: Convert to fraction form
    435,383.84/653,328 = 182,642/x
  3. Step 3: Cross multiply
    435,383.84x = 653,328 × 182,642
  4. Step 4: Simplify right side
    435,383.84x = 119,325,132,576
  5. Step 5: Solve for x
    x = 119,325,132,576/435,383.84
  6. Step 6: Final answer
    x = 274,068.81

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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.