Home / 340,320.76-469,770.78-255,682.24

Finding the Fourth Proportional to 340,320.76, 469,770.78 and 255,682.24

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Solution

The fourth proportional to 340,320.76, 469,770.78 and 255,682.24 is: 352,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,320.76 : 469,770.78 = 255,682.24 : x
  2. Step 2: Convert to fraction form
    340,320.76/469,770.78 = 255,682.24/x
  3. Step 3: Cross multiply
    340,320.76x = 469,770.78 × 255,682.24
  4. Step 4: Simplify right side
    340,320.76x = 120,112,045,316.95
  5. Step 5: Solve for x
    x = 120,112,045,316.95/340,320.76
  6. Step 6: Final answer
    x = 352,937.76

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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.