Home / 340,441.20-510,734.70-103,807.80

Finding the Fourth Proportional to 340,441.20, 510,734.70 and 103,807.80

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Solution

The fourth proportional to 340,441.20, 510,734.70 and 103,807.80 is: 155,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,441.20 : 510,734.70 = 103,807.80 : x
  2. Step 2: Convert to fraction form
    340,441.20/510,734.70 = 103,807.80/x
  3. Step 3: Cross multiply
    340,441.20x = 510,734.70 × 103,807.80
  4. Step 4: Simplify right side
    340,441.20x = 53,018,245,590.66
  5. Step 5: Solve for x
    x = 53,018,245,590.66/340,441.20
  6. Step 6: Final answer
    x = 155,733.93

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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.