Home / 549,847.58-824,769.72-139,516.09

Finding the Fourth Proportional to 549,847.58, 824,769.72 and 139,516.09

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Solution

The fourth proportional to 549,847.58, 824,769.72 and 139,516.09 is: 209,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,847.58 : 824,769.72 = 139,516.09 : x
  2. Step 2: Convert to fraction form
    549,847.58/824,769.72 = 139,516.09/x
  3. Step 3: Cross multiply
    549,847.58x = 824,769.72 × 139,516.09
  4. Step 4: Simplify right side
    549,847.58x = 115,068,649,062.20
  5. Step 5: Solve for x
    x = 115,068,649,062.20/549,847.58
  6. Step 6: Final answer
    x = 209,273.72

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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.