Home / 318,299.34-439,256.07-173,106.48

Finding the Fourth Proportional to 318,299.34, 439,256.07 and 173,106.48

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Solution

The fourth proportional to 318,299.34, 439,256.07 and 173,106.48 is: 238,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,299.34 : 439,256.07 = 173,106.48 : x
  2. Step 2: Convert to fraction form
    318,299.34/439,256.07 = 173,106.48/x
  3. Step 3: Cross multiply
    318,299.34x = 439,256.07 × 173,106.48
  4. Step 4: Simplify right side
    318,299.34x = 76,038,072,096.33
  5. Step 5: Solve for x
    x = 76,038,072,096.33/318,299.34
  6. Step 6: Final answer
    x = 238,888.56

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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.