Home / 758,113.41-1,137,165.53-189,491.66

Finding the Fourth Proportional to 758,113.41, 1,137,165.53 and 189,491.66

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Solution

The fourth proportional to 758,113.41, 1,137,165.53 and 189,491.66 is: 284,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,113.41 : 1,137,165.53 = 189,491.66 : x
  2. Step 2: Convert to fraction form
    758,113.41/1,137,165.53 = 189,491.66/x
  3. Step 3: Cross multiply
    758,113.41x = 1,137,165.53 × 189,491.66
  4. Step 4: Simplify right side
    758,113.41x = 215,483,377,341.19
  5. Step 5: Solve for x
    x = 215,483,377,341.19/758,113.41
  6. Step 6: Final answer
    x = 284,236.34

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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.