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Finding the Fourth Proportional to 445,247.55, 614,485.89 and 254,289.69

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Solution

The fourth proportional to 445,247.55, 614,485.89 and 254,289.69 is: 350,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,247.55 : 614,485.89 = 254,289.69 : x
  2. Step 2: Convert to fraction form
    445,247.55/614,485.89 = 254,289.69/x
  3. Step 3: Cross multiply
    445,247.55x = 614,485.89 × 254,289.69
  4. Step 4: Simplify right side
    445,247.55x = 156,257,426,477.47
  5. Step 5: Solve for x
    x = 156,257,426,477.47/445,247.55
  6. Step 6: Final answer
    x = 350,945.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.