Home / 248,623.02-343,099.80-135,445.50

Finding the Fourth Proportional to 248,623.02, 343,099.80 and 135,445.50

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Solution

The fourth proportional to 248,623.02, 343,099.80 and 135,445.50 is: 186,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,623.02 : 343,099.80 = 135,445.50 : x
  2. Step 2: Convert to fraction form
    248,623.02/343,099.80 = 135,445.50/x
  3. Step 3: Cross multiply
    248,623.02x = 343,099.80 × 135,445.50
  4. Step 4: Simplify right side
    248,623.02x = 46,471,323,960.90
  5. Step 5: Solve for x
    x = 46,471,323,960.90/248,623.02
  6. Step 6: Final answer
    x = 186,914.81

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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.