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Finding the Fourth Proportional to 218,158.54, 301,081.54 and 133,332.10

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Solution

The fourth proportional to 218,158.54, 301,081.54 and 133,332.10 is: 184,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,158.54 : 301,081.54 = 133,332.10 : x
  2. Step 2: Convert to fraction form
    218,158.54/301,081.54 = 133,332.10/x
  3. Step 3: Cross multiply
    218,158.54x = 301,081.54 × 133,332.10
  4. Step 4: Simplify right side
    218,158.54x = 40,143,833,999.43
  5. Step 5: Solve for x
    x = 40,143,833,999.43/218,158.54
  6. Step 6: Final answer
    x = 184,012.21

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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.