Home / 290,317.32-400,627.62-162,998.28

Finding the Fourth Proportional to 290,317.32, 400,627.62 and 162,998.28

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Solution

The fourth proportional to 290,317.32, 400,627.62 and 162,998.28 is: 224,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,317.32 : 400,627.62 = 162,998.28 : x
  2. Step 2: Convert to fraction form
    290,317.32/400,627.62 = 162,998.28/x
  3. Step 3: Cross multiply
    290,317.32x = 400,627.62 × 162,998.28
  4. Step 4: Simplify right side
    290,317.32x = 65,301,612,980.49
  5. Step 5: Solve for x
    x = 65,301,612,980.49/290,317.32
  6. Step 6: Final answer
    x = 224,931.85

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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.