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Finding the Fourth Proportional to 233,643.36, 350,400.48 and 100,495.20

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Solution

The fourth proportional to 233,643.36, 350,400.48 and 100,495.20 is: 150,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,643.36 : 350,400.48 = 100,495.20 : x
  2. Step 2: Convert to fraction form
    233,643.36/350,400.48 = 100,495.20/x
  3. Step 3: Cross multiply
    233,643.36x = 350,400.48 × 100,495.20
  4. Step 4: Simplify right side
    233,643.36x = 35,213,566,317.70
  5. Step 5: Solve for x
    x = 35,213,566,317.70/233,643.36
  6. Step 6: Final answer
    x = 150,715.03

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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.