Home / 289,350.92-434,026.43-120,779.29

Finding the Fourth Proportional to 289,350.92, 434,026.43 and 120,779.29

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Solution

The fourth proportional to 289,350.92, 434,026.43 and 120,779.29 is: 181,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,350.92 : 434,026.43 = 120,779.29 : x
  2. Step 2: Convert to fraction form
    289,350.92/434,026.43 = 120,779.29/x
  3. Step 3: Cross multiply
    289,350.92x = 434,026.43 × 120,779.29
  4. Step 4: Simplify right side
    289,350.92x = 52,421,404,056.63
  5. Step 5: Solve for x
    x = 52,421,404,056.63/289,350.92
  6. Step 6: Final answer
    x = 181,168.96

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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.