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Finding the Fourth Proportional to 290,960.06, 436,426.05 and 101,412.77

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Solution

The fourth proportional to 290,960.06, 436,426.05 and 101,412.77 is: 152,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,960.06 : 436,426.05 = 101,412.77 : x
  2. Step 2: Convert to fraction form
    290,960.06/436,426.05 = 101,412.77/x
  3. Step 3: Cross multiply
    290,960.06x = 436,426.05 × 101,412.77
  4. Step 4: Simplify right side
    290,960.06x = 44,259,174,630.66
  5. Step 5: Solve for x
    x = 44,259,174,630.66/290,960.06
  6. Step 6: Final answer
    x = 152,114.26

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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.