Home / 345,009.45-517,620.07-176,647.98

Finding the Fourth Proportional to 345,009.45, 517,620.07 and 176,647.98

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Solution

The fourth proportional to 345,009.45, 517,620.07 and 176,647.98 is: 265,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,009.45 : 517,620.07 = 176,647.98 : x
  2. Step 2: Convert to fraction form
    345,009.45/517,620.07 = 176,647.98/x
  3. Step 3: Cross multiply
    345,009.45x = 517,620.07 × 176,647.98
  4. Step 4: Simplify right side
    345,009.45x = 91,436,540,941.20
  5. Step 5: Solve for x
    x = 91,436,540,941.20/345,009.45
  6. Step 6: Final answer
    x = 265,026.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.