Home / 340,920.09-470,473.02-187,964.37

Finding the Fourth Proportional to 340,920.09, 470,473.02 and 187,964.37

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Solution

The fourth proportional to 340,920.09, 470,473.02 and 187,964.37 is: 259,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,920.09 : 470,473.02 = 187,964.37 : x
  2. Step 2: Convert to fraction form
    340,920.09/470,473.02 = 187,964.37/x
  3. Step 3: Cross multiply
    340,920.09x = 470,473.02 × 187,964.37
  4. Step 4: Simplify right side
    340,920.09x = 88,432,164,806.30
  5. Step 5: Solve for x
    x = 88,432,164,806.30/340,920.09
  6. Step 6: Final answer
    x = 259,392.65

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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.