Home / 262,455.16-393,090.86-121,918.04

Finding the Fourth Proportional to 262,455.16, 393,090.86 and 121,918.04

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Solution

The fourth proportional to 262,455.16, 393,090.86 and 121,918.04 is: 182,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,455.16 : 393,090.86 = 121,918.04 : x
  2. Step 2: Convert to fraction form
    262,455.16/393,090.86 = 121,918.04/x
  3. Step 3: Cross multiply
    262,455.16x = 393,090.86 × 121,918.04
  4. Step 4: Simplify right side
    262,455.16x = 47,924,867,193.11
  5. Step 5: Solve for x
    x = 47,924,867,193.11/262,455.16
  6. Step 6: Final answer
    x = 182,602.11

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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.