Home / 318,035.30-438,889.66-174,810.02

Finding the Fourth Proportional to 318,035.30, 438,889.66 and 174,810.02

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Solution

The fourth proportional to 318,035.30, 438,889.66 and 174,810.02 is: 241,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,035.30 : 438,889.66 = 174,810.02 : x
  2. Step 2: Convert to fraction form
    318,035.30/438,889.66 = 174,810.02/x
  3. Step 3: Cross multiply
    318,035.30x = 438,889.66 × 174,810.02
  4. Step 4: Simplify right side
    318,035.30x = 76,722,307,610.92
  5. Step 5: Solve for x
    x = 76,722,307,610.92/318,035.30
  6. Step 6: Final answer
    x = 241,238.34

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1.5x scale

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.