Home / 403,260.40-604,890.60-122,741.20

Finding the Fourth Proportional to 403,260.40, 604,890.60 and 122,741.20

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Solution

The fourth proportional to 403,260.40, 604,890.60 and 122,741.20 is: 184,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,260.40 : 604,890.60 = 122,741.20 : x
  2. Step 2: Convert to fraction form
    403,260.40/604,890.60 = 122,741.20/x
  3. Step 3: Cross multiply
    403,260.40x = 604,890.60 × 122,741.20
  4. Step 4: Simplify right side
    403,260.40x = 74,244,998,112.72
  5. Step 5: Solve for x
    x = 74,244,998,112.72/403,260.40
  6. Step 6: Final answer
    x = 184,111.80

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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.