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Finding the Fourth Proportional to 340,365.96, 469,701.16 and 187,401.03

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Solution

The fourth proportional to 340,365.96, 469,701.16 and 187,401.03 is: 258,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,365.96 : 469,701.16 = 187,401.03 : x
  2. Step 2: Convert to fraction form
    340,365.96/469,701.16 = 187,401.03/x
  3. Step 3: Cross multiply
    340,365.96x = 469,701.16 × 187,401.03
  4. Step 4: Simplify right side
    340,365.96x = 88,022,481,176.19
  5. Step 5: Solve for x
    x = 88,022,481,176.19/340,365.96
  6. Step 6: Final answer
    x = 258,611.29

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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.