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Finding the Fourth Proportional to 505,124.13, 757,811.03 and 150,136.67

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Solution

The fourth proportional to 505,124.13, 757,811.03 and 150,136.67 is: 225,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,124.13 : 757,811.03 = 150,136.67 : x
  2. Step 2: Convert to fraction form
    505,124.13/757,811.03 = 150,136.67/x
  3. Step 3: Cross multiply
    505,124.13x = 757,811.03 × 150,136.67
  4. Step 4: Simplify right side
    505,124.13x = 113,775,224,533.47
  5. Step 5: Solve for x
    x = 113,775,224,533.47/505,124.13
  6. Step 6: Final answer
    x = 225,242.11

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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.