Home / 284,848.36-427,297.02-74,485.96

Finding the Fourth Proportional to 284,848.36, 427,297.02 and 74,485.96

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Solution

The fourth proportional to 284,848.36, 427,297.02 and 74,485.96 is: 111,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,848.36 : 427,297.02 = 74,485.96 : x
  2. Step 2: Convert to fraction form
    284,848.36/427,297.02 = 74,485.96/x
  3. Step 3: Cross multiply
    284,848.36x = 427,297.02 × 74,485.96
  4. Step 4: Simplify right side
    284,848.36x = 31,827,628,739.84
  5. Step 5: Solve for x
    x = 31,827,628,739.84/284,848.36
  6. Step 6: Final answer
    x = 111,735.34

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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.