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Finding the Fourth Proportional to 219,035.00, 328,434.95 and 112,375.01

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Solution

The fourth proportional to 219,035.00, 328,434.95 and 112,375.01 is: 168,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,035.00 : 328,434.95 = 112,375.01 : x
  2. Step 2: Convert to fraction form
    219,035.00/328,434.95 = 112,375.01/x
  3. Step 3: Cross multiply
    219,035.00x = 328,434.95 × 112,375.01
  4. Step 4: Simplify right side
    219,035.00x = 36,907,881,892.62
  5. Step 5: Solve for x
    x = 36,907,881,892.62/219,035.00
  6. Step 6: Final answer
    x = 168,502.21

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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.