Home / 290,401.24-400,730.82-163,052.20

Finding the Fourth Proportional to 290,401.24, 400,730.82 and 163,052.20

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Solution

The fourth proportional to 290,401.24, 400,730.82 and 163,052.20 is: 224,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,401.24 : 400,730.82 = 163,052.20 : x
  2. Step 2: Convert to fraction form
    290,401.24/400,730.82 = 163,052.20/x
  3. Step 3: Cross multiply
    290,401.24x = 400,730.82 × 163,052.20
  4. Step 4: Simplify right side
    290,401.24x = 65,340,041,808.80
  5. Step 5: Solve for x
    x = 65,340,041,808.80/290,401.24
  6. Step 6: Final answer
    x = 224,999.18

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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.