Home / 290,224.51-400,487.85-162,875.50

Finding the Fourth Proportional to 290,224.51, 400,487.85 and 162,875.50

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Solution

The fourth proportional to 290,224.51, 400,487.85 and 162,875.50 is: 224,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,224.51 : 400,487.85 = 162,875.50 : x
  2. Step 2: Convert to fraction form
    290,224.51/400,487.85 = 162,875.50/x
  3. Step 3: Cross multiply
    290,224.51x = 400,487.85 × 162,875.50
  4. Step 4: Simplify right side
    290,224.51x = 65,229,658,812.68
  5. Step 5: Solve for x
    x = 65,229,658,812.68/290,224.51
  6. Step 6: Final answer
    x = 224,755.86

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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.