Home / 347,558.33-521,008.78-262,036.49

Finding the Fourth Proportional to 347,558.33, 521,008.78 and 262,036.49

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Solution

The fourth proportional to 347,558.33, 521,008.78 and 262,036.49 is: 392,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,558.33 : 521,008.78 = 262,036.49 : x
  2. Step 2: Convert to fraction form
    347,558.33/521,008.78 = 262,036.49/x
  3. Step 3: Cross multiply
    347,558.33x = 521,008.78 × 262,036.49
  4. Step 4: Simplify right side
    347,558.33x = 136,523,312,869.22
  5. Step 5: Solve for x
    x = 136,523,312,869.22/347,558.33
  6. Step 6: Final answer
    x = 392,806.91

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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.