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Finding the Fourth Proportional to 157,467.20, 236,200.80 and 151,562.30

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Solution

The fourth proportional to 157,467.20, 236,200.80 and 151,562.30 is: 227,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,467.20 : 236,200.80 = 151,562.30 : x
  2. Step 2: Convert to fraction form
    157,467.20/236,200.80 = 151,562.30/x
  3. Step 3: Cross multiply
    157,467.20x = 236,200.80 × 151,562.30
  4. Step 4: Simplify right side
    157,467.20x = 35,799,136,509.84
  5. Step 5: Solve for x
    x = 35,799,136,509.84/157,467.20
  6. Step 6: Final answer
    x = 227,343.45

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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.