Home / 543,741.30-815,903.55-228,230.10

Finding the Fourth Proportional to 543,741.30, 815,903.55 and 228,230.10

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Solution

The fourth proportional to 543,741.30, 815,903.55 and 228,230.10 is: 342,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,741.30 : 815,903.55 = 228,230.10 : x
  2. Step 2: Convert to fraction form
    543,741.30/815,903.55 = 228,230.10/x
  3. Step 3: Cross multiply
    543,741.30x = 815,903.55 × 228,230.10
  4. Step 4: Simplify right side
    543,741.30x = 186,213,748,806.86
  5. Step 5: Solve for x
    x = 186,213,748,806.86/543,741.30
  6. Step 6: Final answer
    x = 342,467.55

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1.5x scale

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.