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Finding the Fourth Proportional to 416,798.81, 575,182.97 and 225,812.21

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Solution

The fourth proportional to 416,798.81, 575,182.97 and 225,812.21 is: 311,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,798.81 : 575,182.97 = 225,812.21 : x
  2. Step 2: Convert to fraction form
    416,798.81/575,182.97 = 225,812.21/x
  3. Step 3: Cross multiply
    416,798.81x = 575,182.97 × 225,812.21
  4. Step 4: Simplify right side
    416,798.81x = 129,883,333,605.09
  5. Step 5: Solve for x
    x = 129,883,333,605.09/416,798.81
  6. Step 6: Final answer
    x = 311,621.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.