Home / 490,786.99-736,189.71-153,820.18

Finding the Fourth Proportional to 490,786.99, 736,189.71 and 153,820.18

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Solution

The fourth proportional to 490,786.99, 736,189.71 and 153,820.18 is: 230,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,786.99 : 736,189.71 = 153,820.18 : x
  2. Step 2: Convert to fraction form
    490,786.99/736,189.71 = 153,820.18/x
  3. Step 3: Cross multiply
    490,786.99x = 736,189.71 × 153,820.18
  4. Step 4: Simplify right side
    490,786.99x = 113,240,833,706.35
  5. Step 5: Solve for x
    x = 113,240,833,706.35/490,786.99
  6. Step 6: Final answer
    x = 230,733.16

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1.5x scale

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.