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Finding the Fourth Proportional to 356,736.93, 535,160.69 and 120,061.14

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Solution

The fourth proportional to 356,736.93, 535,160.69 and 120,061.14 is: 180,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,736.93 : 535,160.69 = 120,061.14 : x
  2. Step 2: Convert to fraction form
    356,736.93/535,160.69 = 120,061.14/x
  3. Step 3: Cross multiply
    356,736.93x = 535,160.69 × 120,061.14
  4. Step 4: Simplify right side
    356,736.93x = 64,252,001,924.28
  5. Step 5: Solve for x
    x = 64,252,001,924.28/356,736.93
  6. Step 6: Final answer
    x = 180,110.32

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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.