Home / 490,153.68-734,828.76-174,430.80

Finding the Fourth Proportional to 490,153.68, 734,828.76 and 174,430.80

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Solution

The fourth proportional to 490,153.68, 734,828.76 and 174,430.80 is: 261,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,153.68 : 734,828.76 = 174,430.80 : x
  2. Step 2: Convert to fraction form
    490,153.68/734,828.76 = 174,430.80/x
  3. Step 3: Cross multiply
    490,153.68x = 734,828.76 × 174,430.80
  4. Step 4: Simplify right side
    490,153.68x = 128,176,768,469.81
  5. Step 5: Solve for x
    x = 128,176,768,469.81/490,153.68
  6. Step 6: Final answer
    x = 261,503.23

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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.