Home / 295,829.21-443,362.57-257,724.38

Finding the Fourth Proportional to 295,829.21, 443,362.57 and 257,724.38

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Solution

The fourth proportional to 295,829.21, 443,362.57 and 257,724.38 is: 386,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,829.21 : 443,362.57 = 257,724.38 : x
  2. Step 2: Convert to fraction form
    295,829.21/443,362.57 = 257,724.38/x
  3. Step 3: Cross multiply
    295,829.21x = 443,362.57 × 257,724.38
  4. Step 4: Simplify right side
    295,829.21x = 114,265,343,468.46
  5. Step 5: Solve for x
    x = 114,265,343,468.46/295,829.21
  6. Step 6: Final answer
    x = 386,254.43

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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.