Home / 489,375.48-733,975.56-134,342.76

Finding the Fourth Proportional to 489,375.48, 733,975.56 and 134,342.76

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Solution

The fourth proportional to 489,375.48, 733,975.56 and 134,342.76 is: 201,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,375.48 : 733,975.56 = 134,342.76 : x
  2. Step 2: Convert to fraction form
    489,375.48/733,975.56 = 134,342.76/x
  3. Step 3: Cross multiply
    489,375.48x = 733,975.56 × 134,342.76
  4. Step 4: Simplify right side
    489,375.48x = 98,604,302,502.95
  5. Step 5: Solve for x
    x = 98,604,302,502.95/489,375.48
  6. Step 6: Final answer
    x = 201,490.08

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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.