Home / 341,620.18-512,741.15-181,830.21

Finding the Fourth Proportional to 341,620.18, 512,741.15 and 181,830.21

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Solution

The fourth proportional to 341,620.18, 512,741.15 and 181,830.21 is: 272,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,620.18 : 512,741.15 = 181,830.21 : x
  2. Step 2: Convert to fraction form
    341,620.18/512,741.15 = 181,830.21/x
  3. Step 3: Cross multiply
    341,620.18x = 512,741.15 × 181,830.21
  4. Step 4: Simplify right side
    341,620.18x = 93,231,831,434.72
  5. Step 5: Solve for x
    x = 93,231,831,434.72/341,620.18
  6. Step 6: Final answer
    x = 272,910.79

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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.