Home / 340,910.72-470,352.55-197,642.17

Finding the Fourth Proportional to 340,910.72, 470,352.55 and 197,642.17

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Solution

The fourth proportional to 340,910.72, 470,352.55 and 197,642.17 is: 272,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,910.72 : 470,352.55 = 197,642.17 : x
  2. Step 2: Convert to fraction form
    340,910.72/470,352.55 = 197,642.17/x
  3. Step 3: Cross multiply
    340,910.72x = 470,352.55 × 197,642.17
  4. Step 4: Simplify right side
    340,910.72x = 92,961,500,000.71
  5. Step 5: Solve for x
    x = 92,961,500,000.71/340,910.72
  6. Step 6: Final answer
    x = 272,685.76

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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.