Home / 191,431.08-287,671.26-180,561.64

Finding the Fourth Proportional to 191,431.08, 287,671.26 and 180,561.64

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Solution

The fourth proportional to 191,431.08, 287,671.26 and 180,561.64 is: 271,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,431.08 : 287,671.26 = 180,561.64 : x
  2. Step 2: Convert to fraction form
    191,431.08/287,671.26 = 180,561.64/x
  3. Step 3: Cross multiply
    191,431.08x = 287,671.26 × 180,561.64
  4. Step 4: Simplify right side
    191,431.08x = 51,942,394,486.47
  5. Step 5: Solve for x
    x = 51,942,394,486.47/191,431.08
  6. Step 6: Final answer
    x = 271,337.31

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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.