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Finding the Fourth Proportional to 535,779.21, 803,109.89 and 180,671.13

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Solution

The fourth proportional to 535,779.21, 803,109.89 and 180,671.13 is: 270,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,779.21 : 803,109.89 = 180,671.13 : x
  2. Step 2: Convert to fraction form
    535,779.21/803,109.89 = 180,671.13/x
  3. Step 3: Cross multiply
    535,779.21x = 803,109.89 × 180,671.13
  4. Step 4: Simplify right side
    535,779.21x = 145,098,770,437.12
  5. Step 5: Solve for x
    x = 145,098,770,437.12/535,779.21
  6. Step 6: Final answer
    x = 270,818.22

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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.