Home / 872,149.09-1,308,223.65-273,157.13

Finding the Fourth Proportional to 872,149.09, 1,308,223.65 and 273,157.13

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Solution

The fourth proportional to 872,149.09, 1,308,223.65 and 273,157.13 is: 409,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,149.09 : 1,308,223.65 = 273,157.13 : x
  2. Step 2: Convert to fraction form
    872,149.09/1,308,223.65 = 273,157.13/x
  3. Step 3: Cross multiply
    872,149.09x = 1,308,223.65 × 273,157.13
  4. Step 4: Simplify right side
    872,149.09x = 357,350,617,632.12
  5. Step 5: Solve for x
    x = 357,350,617,632.12/872,149.09
  6. Step 6: Final answer
    x = 409,735.70

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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.