Home / 370,280.27-510,983.84-200,514.40

Finding the Fourth Proportional to 370,280.27, 510,983.84 and 200,514.40

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Solution

The fourth proportional to 370,280.27, 510,983.84 and 200,514.40 is: 276,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,280.27 : 510,983.84 = 200,514.40 : x
  2. Step 2: Convert to fraction form
    370,280.27/510,983.84 = 200,514.40/x
  3. Step 3: Cross multiply
    370,280.27x = 510,983.84 × 200,514.40
  4. Step 4: Simplify right side
    370,280.27x = 102,459,617,311.12
  5. Step 5: Solve for x
    x = 102,459,617,311.12/370,280.27
  6. Step 6: Final answer
    x = 276,708.28

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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.