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Finding the Fourth Proportional to 273,688.83, 377,671.77 and 151,175.79

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Solution

The fourth proportional to 273,688.83, 377,671.77 and 151,175.79 is: 208,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,688.83 : 377,671.77 = 151,175.79 : x
  2. Step 2: Convert to fraction form
    273,688.83/377,671.77 = 151,175.79/x
  3. Step 3: Cross multiply
    273,688.83x = 377,671.77 × 151,175.79
  4. Step 4: Simplify right side
    273,688.83x = 57,094,828,190.45
  5. Step 5: Solve for x
    x = 57,094,828,190.45/273,688.83
  6. Step 6: Final answer
    x = 208,612.20

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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.