Home / 758,101.41-1,137,147.51-189,479.67

Finding the Fourth Proportional to 758,101.41, 1,137,147.51 and 189,479.67

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Solution

The fourth proportional to 758,101.41, 1,137,147.51 and 189,479.67 is: 284,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,101.41 : 1,137,147.51 = 189,479.67 : x
  2. Step 2: Convert to fraction form
    758,101.41/1,137,147.51 = 189,479.67/x
  3. Step 3: Cross multiply
    758,101.41x = 1,137,147.51 × 189,479.67
  4. Step 4: Simplify right side
    758,101.41x = 215,466,334,936.12
  5. Step 5: Solve for x
    x = 215,466,334,936.12/758,101.41
  6. Step 6: Final answer
    x = 284,218.35

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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.