Home / 284,889.58-427,544.50-135,130.36

Finding the Fourth Proportional to 284,889.58, 427,544.50 and 135,130.36

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Solution

The fourth proportional to 284,889.58, 427,544.50 and 135,130.36 is: 202,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,889.58 : 427,544.50 = 135,130.36 : x
  2. Step 2: Convert to fraction form
    284,889.58/427,544.50 = 135,130.36/x
  3. Step 3: Cross multiply
    284,889.58x = 427,544.50 × 135,130.36
  4. Step 4: Simplify right side
    284,889.58x = 57,774,242,201.02
  5. Step 5: Solve for x
    x = 57,774,242,201.02/284,889.58
  6. Step 6: Final answer
    x = 202,795.21

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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.