Home / 290,962.06-436,429.04-101,414.78

Finding the Fourth Proportional to 290,962.06, 436,429.04 and 101,414.78

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Solution

The fourth proportional to 290,962.06, 436,429.04 and 101,414.78 is: 152,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,962.06 : 436,429.04 = 101,414.78 : x
  2. Step 2: Convert to fraction form
    290,962.06/436,429.04 = 101,414.78/x
  3. Step 3: Cross multiply
    290,962.06x = 436,429.04 × 101,414.78
  4. Step 4: Simplify right side
    290,962.06x = 44,260,355,077.21
  5. Step 5: Solve for x
    x = 44,260,355,077.21/290,962.06
  6. Step 6: Final answer
    x = 152,117.27

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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.