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Finding the Fourth Proportional to 340,525.71, 510,706.31 and 150,881.22

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Solution

The fourth proportional to 340,525.71, 510,706.31 and 150,881.22 is: 226,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,525.71 : 510,706.31 = 150,881.22 : x
  2. Step 2: Convert to fraction form
    340,525.71/510,706.31 = 150,881.22/x
  3. Step 3: Cross multiply
    340,525.71x = 510,706.31 × 150,881.22
  4. Step 4: Simplify right side
    340,525.71x = 77,055,990,360.09
  5. Step 5: Solve for x
    x = 77,055,990,360.09/340,525.71
  6. Step 6: Final answer
    x = 226,285.38

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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.