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Finding the Fourth Proportional to 224,420.04, 309,739.73 and 133,781.79

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Solution

The fourth proportional to 224,420.04, 309,739.73 and 133,781.79 is: 184,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,420.04 : 309,739.73 = 133,781.79 : x
  2. Step 2: Convert to fraction form
    224,420.04/309,739.73 = 133,781.79/x
  3. Step 3: Cross multiply
    224,420.04x = 309,739.73 × 133,781.79
  4. Step 4: Simplify right side
    224,420.04x = 41,437,535,513.52
  5. Step 5: Solve for x
    x = 41,437,535,513.52/224,420.04
  6. Step 6: Final answer
    x = 184,642.76

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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.