Home / 258,399.02-356,688.08-151,003.95

Finding the Fourth Proportional to 258,399.02, 356,688.08 and 151,003.95

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Solution

The fourth proportional to 258,399.02, 356,688.08 and 151,003.95 is: 208,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,399.02 : 356,688.08 = 151,003.95 : x
  2. Step 2: Convert to fraction form
    258,399.02/356,688.08 = 151,003.95/x
  3. Step 3: Cross multiply
    258,399.02x = 356,688.08 × 151,003.95
  4. Step 4: Simplify right side
    258,399.02x = 53,861,308,997.92
  5. Step 5: Solve for x
    x = 53,861,308,997.92/258,399.02
  6. Step 6: Final answer
    x = 208,442.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.