Home / 284,814.23-427,262.80-104,985.72

Finding the Fourth Proportional to 284,814.23, 427,262.80 and 104,985.72

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Solution

The fourth proportional to 284,814.23, 427,262.80 and 104,985.72 is: 157,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,814.23 : 427,262.80 = 104,985.72 : x
  2. Step 2: Convert to fraction form
    284,814.23/427,262.80 = 104,985.72/x
  3. Step 3: Cross multiply
    284,814.23x = 427,262.80 × 104,985.72
  4. Step 4: Simplify right side
    284,814.23x = 44,856,492,621.60
  5. Step 5: Solve for x
    x = 44,856,492,621.60/284,814.23
  6. Step 6: Final answer
    x = 157,493.86

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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.