Home / 311,344.59-429,666.08-184,129.23

Finding the Fourth Proportional to 311,344.59, 429,666.08 and 184,129.23

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Solution

The fourth proportional to 311,344.59, 429,666.08 and 184,129.23 is: 254,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,344.59 : 429,666.08 = 184,129.23 : x
  2. Step 2: Convert to fraction form
    311,344.59/429,666.08 = 184,129.23/x
  3. Step 3: Cross multiply
    311,344.59x = 429,666.08 × 184,129.23
  4. Step 4: Simplify right side
    311,344.59x = 79,114,083,546.87
  5. Step 5: Solve for x
    x = 79,114,083,546.87/311,344.59
  6. Step 6: Final answer
    x = 254,104.57

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1.5x scale

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.