Home / 403,819.30-604,999.95-235,201.60

Finding the Fourth Proportional to 403,819.30, 604,999.95 and 235,201.60

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Solution

The fourth proportional to 403,819.30, 604,999.95 and 235,201.60 is: 352,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,819.30 : 604,999.95 = 235,201.60 : x
  2. Step 2: Convert to fraction form
    403,819.30/604,999.95 = 235,201.60/x
  3. Step 3: Cross multiply
    403,819.30x = 604,999.95 × 235,201.60
  4. Step 4: Simplify right side
    403,819.30x = 142,296,956,239.92
  5. Step 5: Solve for x
    x = 142,296,956,239.92/403,819.30
  6. Step 6: Final answer
    x = 352,377.80

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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.