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Finding the Fourth Proportional to 270,738.54, 373,501.86 and 163,248.86

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Solution

The fourth proportional to 270,738.54, 373,501.86 and 163,248.86 is: 225,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,738.54 : 373,501.86 = 163,248.86 : x
  2. Step 2: Convert to fraction form
    270,738.54/373,501.86 = 163,248.86/x
  3. Step 3: Cross multiply
    270,738.54x = 373,501.86 × 163,248.86
  4. Step 4: Simplify right side
    270,738.54x = 60,973,750,985.37
  5. Step 5: Solve for x
    x = 60,973,750,985.37/270,738.54
  6. Step 6: Final answer
    x = 225,212.68

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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.