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Finding the Fourth Proportional to 202,772.10, 304,330.95 and 90,624.90

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Solution

The fourth proportional to 202,772.10, 304,330.95 and 90,624.90 is: 136,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,772.10 : 304,330.95 = 90,624.90 : x
  2. Step 2: Convert to fraction form
    202,772.10/304,330.95 = 90,624.90/x
  3. Step 3: Cross multiply
    202,772.10x = 304,330.95 × 90,624.90
  4. Step 4: Simplify right side
    202,772.10x = 27,579,961,910.66
  5. Step 5: Solve for x
    x = 27,579,961,910.66/202,772.10
  6. Step 6: Final answer
    x = 136,014.58

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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.