Home / 457,275.81-631,022.70-250,540.50

Finding the Fourth Proportional to 457,275.81, 631,022.70 and 250,540.50

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Solution

The fourth proportional to 457,275.81, 631,022.70 and 250,540.50 is: 345,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,275.81 : 631,022.70 = 250,540.50 : x
  2. Step 2: Convert to fraction form
    457,275.81/631,022.70 = 250,540.50/x
  3. Step 3: Cross multiply
    457,275.81x = 631,022.70 × 250,540.50
  4. Step 4: Simplify right side
    457,275.81x = 158,096,742,769.35
  5. Step 5: Solve for x
    x = 158,096,742,769.35/457,275.81
  6. Step 6: Final answer
    x = 345,736.07

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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.