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Finding the Fourth Proportional to 361,570.67, 498,959.58 and 200,424.30

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Solution

The fourth proportional to 361,570.67, 498,959.58 and 200,424.30 is: 276,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,570.67 : 498,959.58 = 200,424.30 : x
  2. Step 2: Convert to fraction form
    361,570.67/498,959.58 = 200,424.30/x
  3. Step 3: Cross multiply
    361,570.67x = 498,959.58 × 200,424.30
  4. Step 4: Simplify right side
    361,570.67x = 100,003,624,549.79
  5. Step 5: Solve for x
    x = 100,003,624,549.79/361,570.67
  6. Step 6: Final answer
    x = 276,581.13

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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.