Home / 340,307.20-469,625.88-187,360.84

Finding the Fourth Proportional to 340,307.20, 469,625.88 and 187,360.84

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Solution

The fourth proportional to 340,307.20, 469,625.88 and 187,360.84 is: 258,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,307.20 : 469,625.88 = 187,360.84 : x
  2. Step 2: Convert to fraction form
    340,307.20/469,625.88 = 187,360.84/x
  3. Step 3: Cross multiply
    340,307.20x = 469,625.88 × 187,360.84
  4. Step 4: Simplify right side
    340,307.20x = 87,989,499,362.54
  5. Step 5: Solve for x
    x = 87,989,499,362.54/340,307.20
  6. Step 6: Final answer
    x = 258,559.03

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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.