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Finding the Fourth Proportional to 218,225.36, 301,166.76 and 133,358.64

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Solution

The fourth proportional to 218,225.36, 301,166.76 and 133,358.64 is: 184,044.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,225.36 : 301,166.76 = 133,358.64 : x
  2. Step 2: Convert to fraction form
    218,225.36/301,166.76 = 133,358.64/x
  3. Step 3: Cross multiply
    218,225.36x = 301,166.76 × 133,358.64
  4. Step 4: Simplify right side
    218,225.36x = 40,163,189,526.81
  5. Step 5: Solve for x
    x = 40,163,189,526.81/218,225.36
  6. Step 6: Final answer
    x = 184,044.56

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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.