Home / 397,944.96-549,130.56-228,140.16

Finding the Fourth Proportional to 397,944.96, 549,130.56 and 228,140.16

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Solution

The fourth proportional to 397,944.96, 549,130.56 and 228,140.16 is: 314,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,944.96 : 549,130.56 = 228,140.16 : x
  2. Step 2: Convert to fraction form
    397,944.96/549,130.56 = 228,140.16/x
  3. Step 3: Cross multiply
    397,944.96x = 549,130.56 × 228,140.16
  4. Step 4: Simplify right side
    397,944.96x = 125,278,733,819.29
  5. Step 5: Solve for x
    x = 125,278,733,819.29/397,944.96
  6. Step 6: Final answer
    x = 314,814.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.