Home / 351,259.20-484,732.80-200,358.72

Finding the Fourth Proportional to 351,259.20, 484,732.80 and 200,358.72

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Solution

The fourth proportional to 351,259.20, 484,732.80 and 200,358.72 is: 276,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,259.20 : 484,732.80 = 200,358.72 : x
  2. Step 2: Convert to fraction form
    351,259.20/484,732.80 = 200,358.72/x
  3. Step 3: Cross multiply
    351,259.20x = 484,732.80 × 200,358.72
  4. Step 4: Simplify right side
    351,259.20x = 97,120,443,350.02
  5. Step 5: Solve for x
    x = 97,120,443,350.02/351,259.20
  6. Step 6: Final answer
    x = 276,492.24

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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.