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Finding the Fourth Proportional to 252,011.51, 377,886 and 118,856.01

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Solution

The fourth proportional to 252,011.51, 377,886 and 118,856.01 is: 178,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,011.51 : 377,886 = 118,856.01 : x
  2. Step 2: Convert to fraction form
    252,011.51/377,886 = 118,856.01/x
  3. Step 3: Cross multiply
    252,011.51x = 377,886 × 118,856.01
  4. Step 4: Simplify right side
    252,011.51x = 44,914,022,194.86
  5. Step 5: Solve for x
    x = 44,914,022,194.86/252,011.51
  6. Step 6: Final answer
    x = 178,222.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.