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Finding the Fourth Proportional to 489,580.62, 734,370.93 and 134,632.14

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Solution

The fourth proportional to 489,580.62, 734,370.93 and 134,632.14 is: 201,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,580.62 : 734,370.93 = 134,632.14 : x
  2. Step 2: Convert to fraction form
    489,580.62/734,370.93 = 134,632.14/x
  3. Step 3: Cross multiply
    489,580.62x = 734,370.93 × 134,632.14
  4. Step 4: Simplify right side
    489,580.62x = 98,869,929,859.69
  5. Step 5: Solve for x
    x = 98,869,929,859.69/489,580.62
  6. Step 6: Final answer
    x = 201,948.21

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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.