Home / 264,985.27-397,254.43-115,113.66

Finding the Fourth Proportional to 264,985.27, 397,254.43 and 115,113.66

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Solution

The fourth proportional to 264,985.27, 397,254.43 and 115,113.66 is: 172,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,985.27 : 397,254.43 = 115,113.66 : x
  2. Step 2: Convert to fraction form
    264,985.27/397,254.43 = 115,113.66/x
  3. Step 3: Cross multiply
    264,985.27x = 397,254.43 × 115,113.66
  4. Step 4: Simplify right side
    264,985.27x = 45,729,409,395.19
  5. Step 5: Solve for x
    x = 45,729,409,395.19/264,985.27
  6. Step 6: Final answer
    x = 172,573.40

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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.