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Finding the Fourth Proportional to 340,018.89, 469,219.53 and 187,048.14

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Solution

The fourth proportional to 340,018.89, 469,219.53 and 187,048.14 is: 258,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,018.89 : 469,219.53 = 187,048.14 : x
  2. Step 2: Convert to fraction form
    340,018.89/469,219.53 = 187,048.14/x
  3. Step 3: Cross multiply
    340,018.89x = 469,219.53 × 187,048.14
  4. Step 4: Simplify right side
    340,018.89x = 87,766,640,338.17
  5. Step 5: Solve for x
    x = 87,766,640,338.17/340,018.89
  6. Step 6: Final answer
    x = 258,122.84

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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.