Home / 290,284.36-400,588.90-162,956.68

Finding the Fourth Proportional to 290,284.36, 400,588.90 and 162,956.68

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Solution

The fourth proportional to 290,284.36, 400,588.90 and 162,956.68 is: 224,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,284.36 : 400,588.90 = 162,956.68 : x
  2. Step 2: Convert to fraction form
    290,284.36/400,588.90 = 162,956.68/x
  3. Step 3: Cross multiply
    290,284.36x = 400,588.90 × 162,956.68
  4. Step 4: Simplify right side
    290,284.36x = 65,278,637,188.85
  5. Step 5: Solve for x
    x = 65,278,637,188.85/290,284.36
  6. Step 6: Final answer
    x = 224,878.24

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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.