Home / 284,578.58-427,088.20-107,246.90

Finding the Fourth Proportional to 284,578.58, 427,088.20 and 107,246.90

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Solution

The fourth proportional to 284,578.58, 427,088.20 and 107,246.90 is: 160,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,578.58 : 427,088.20 = 107,246.90 : x
  2. Step 2: Convert to fraction form
    284,578.58/427,088.20 = 107,246.90/x
  3. Step 3: Cross multiply
    284,578.58x = 427,088.20 × 107,246.90
  4. Step 4: Simplify right side
    284,578.58x = 45,803,885,476.58
  5. Step 5: Solve for x
    x = 45,803,885,476.58/284,578.58
  6. Step 6: Final answer
    x = 160,953.38

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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.