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Finding the Fourth Proportional to 290,895.84, 436,205.07 and 101,332.89

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Solution

The fourth proportional to 290,895.84, 436,205.07 and 101,332.89 is: 151,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,895.84 : 436,205.07 = 101,332.89 : x
  2. Step 2: Convert to fraction form
    290,895.84/436,205.07 = 101,332.89/x
  3. Step 3: Cross multiply
    290,895.84x = 436,205.07 × 101,332.89
  4. Step 4: Simplify right side
    290,895.84x = 44,201,920,375.75
  5. Step 5: Solve for x
    x = 44,201,920,375.75/290,895.84
  6. Step 6: Final answer
    x = 151,951.02

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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.