Home / 290,224.82-400,488.30-162,875.81

Finding the Fourth Proportional to 290,224.82, 400,488.30 and 162,875.81

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Solution

The fourth proportional to 290,224.82, 400,488.30 and 162,875.81 is: 224,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,224.82 : 400,488.30 = 162,875.81 : x
  2. Step 2: Convert to fraction form
    290,224.82/400,488.30 = 162,875.81/x
  3. Step 3: Cross multiply
    290,224.82x = 400,488.30 × 162,875.81
  4. Step 4: Simplify right side
    290,224.82x = 65,229,857,259.24
  5. Step 5: Solve for x
    x = 65,229,857,259.24/290,224.82
  6. Step 6: Final answer
    x = 224,756.30

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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.