Home / 286,540.20-429,219.63-167,851.74

Finding the Fourth Proportional to 286,540.20, 429,219.63 and 167,851.74

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Solution

The fourth proportional to 286,540.20, 429,219.63 and 167,851.74 is: 251,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,540.20 : 429,219.63 = 167,851.74 : x
  2. Step 2: Convert to fraction form
    286,540.20/429,219.63 = 167,851.74/x
  3. Step 3: Cross multiply
    286,540.20x = 429,219.63 × 167,851.74
  4. Step 4: Simplify right side
    286,540.20x = 72,045,261,737.66
  5. Step 5: Solve for x
    x = 72,045,261,737.66/286,540.20
  6. Step 6: Final answer
    x = 251,431.60

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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.