Home / 333,530.85-459,961.60-308,761.05

Finding the Fourth Proportional to 333,530.85, 459,961.60 and 308,761.05

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Solution

The fourth proportional to 333,530.85, 459,961.60 and 308,761.05 is: 425,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,530.85 : 459,961.60 = 308,761.05 : x
  2. Step 2: Convert to fraction form
    333,530.85/459,961.60 = 308,761.05/x
  3. Step 3: Cross multiply
    333,530.85x = 459,961.60 × 308,761.05
  4. Step 4: Simplify right side
    333,530.85x = 142,018,226,575.68
  5. Step 5: Solve for x
    x = 142,018,226,575.68/333,530.85
  6. Step 6: Final answer
    x = 425,802.37

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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.