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Finding the Fourth Proportional to 191,903.10, 287,854.65 and 168,575.10

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Solution

The fourth proportional to 191,903.10, 287,854.65 and 168,575.10 is: 252,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903.10 : 287,854.65 = 168,575.10 : x
  2. Step 2: Convert to fraction form
    191,903.10/287,854.65 = 168,575.10/x
  3. Step 3: Cross multiply
    191,903.10x = 287,854.65 × 168,575.10
  4. Step 4: Simplify right side
    191,903.10x = 48,525,126,409.22
  5. Step 5: Solve for x
    x = 48,525,126,409.22/191,903.10
  6. Step 6: Final answer
    x = 252,862.65

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