Home / 489,734.83-734,347.36-174,145.87

Finding the Fourth Proportional to 489,734.83, 734,347.36 and 174,145.87

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Solution

The fourth proportional to 489,734.83, 734,347.36 and 174,145.87 is: 261,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,734.83 : 734,347.36 = 174,145.87 : x
  2. Step 2: Convert to fraction form
    489,734.83/734,347.36 = 174,145.87/x
  3. Step 3: Cross multiply
    489,734.83x = 734,347.36 × 174,145.87
  4. Step 4: Simplify right side
    489,734.83x = 127,883,555,346.94
  5. Step 5: Solve for x
    x = 127,883,555,346.94/489,734.83
  6. Step 6: Final answer
    x = 261,128.16

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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.