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Finding the Fourth Proportional to 535,779.71, 803,110.63 and 180,671.63

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Solution

The fourth proportional to 535,779.71, 803,110.63 and 180,671.63 is: 270,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,779.71 : 803,110.63 = 180,671.63 : x
  2. Step 2: Convert to fraction form
    535,779.71/803,110.63 = 180,671.63/x
  3. Step 3: Cross multiply
    535,779.71x = 803,110.63 × 180,671.63
  4. Step 4: Simplify right side
    535,779.71x = 145,099,306,592.43
  5. Step 5: Solve for x
    x = 145,099,306,592.43/535,779.71
  6. Step 6: Final answer
    x = 270,818.97

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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.