Home / 351,705.41-527,556.74-85,466.72

Finding the Fourth Proportional to 351,705.41, 527,556.74 and 85,466.72

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Solution

The fourth proportional to 351,705.41, 527,556.74 and 85,466.72 is: 128,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,705.41 : 527,556.74 = 85,466.72 : x
  2. Step 2: Convert to fraction form
    351,705.41/527,556.74 = 85,466.72/x
  3. Step 3: Cross multiply
    351,705.41x = 527,556.74 × 85,466.72
  4. Step 4: Simplify right side
    351,705.41x = 45,088,541,116.58
  5. Step 5: Solve for x
    x = 45,088,541,116.58/351,705.41
  6. Step 6: Final answer
    x = 128,199.74

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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.