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Finding the Fourth Proportional to 555,285.18, 832,927.87 and 200,299.16

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Solution

The fourth proportional to 555,285.18, 832,927.87 and 200,299.16 is: 300,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,285.18 : 832,927.87 = 200,299.16 : x
  2. Step 2: Convert to fraction form
    555,285.18/832,927.87 = 200,299.16/x
  3. Step 3: Cross multiply
    555,285.18x = 832,927.87 × 200,299.16
  4. Step 4: Simplify right side
    555,285.18x = 166,834,752,701.59
  5. Step 5: Solve for x
    x = 166,834,752,701.59/555,285.18
  6. Step 6: Final answer
    x = 300,448.78

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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.