Home / 248,880.96-343,457.28-135,705.60

Finding the Fourth Proportional to 248,880.96, 343,457.28 and 135,705.60

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Solution

The fourth proportional to 248,880.96, 343,457.28 and 135,705.60 is: 187,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,880.96 : 343,457.28 = 135,705.60 : x
  2. Step 2: Convert to fraction form
    248,880.96/343,457.28 = 135,705.60/x
  3. Step 3: Cross multiply
    248,880.96x = 343,457.28 × 135,705.60
  4. Step 4: Simplify right side
    248,880.96x = 46,609,076,256.77
  5. Step 5: Solve for x
    x = 46,609,076,256.77/248,880.96
  6. Step 6: Final answer
    x = 187,274.58

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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.