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Finding the Fourth Proportional to 382,800.36, 528,204.90 and 213,033.96

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Solution

The fourth proportional to 382,800.36, 528,204.90 and 213,033.96 is: 293,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,800.36 : 528,204.90 = 213,033.96 : x
  2. Step 2: Convert to fraction form
    382,800.36/528,204.90 = 213,033.96/x
  3. Step 3: Cross multiply
    382,800.36x = 528,204.90 × 213,033.96
  4. Step 4: Simplify right side
    382,800.36x = 112,525,581,538.40
  5. Step 5: Solve for x
    x = 112,525,581,538.40/382,800.36
  6. Step 6: Final answer
    x = 293,953.70

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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.