Home / 335,054.40-501,901.20-208,305.60

Finding the Fourth Proportional to 335,054.40, 501,901.20 and 208,305.60

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Solution

The fourth proportional to 335,054.40, 501,901.20 and 208,305.60 is: 312,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,054.40 : 501,901.20 = 208,305.60 : x
  2. Step 2: Convert to fraction form
    335,054.40/501,901.20 = 208,305.60/x
  3. Step 3: Cross multiply
    335,054.40x = 501,901.20 × 208,305.60
  4. Step 4: Simplify right side
    335,054.40x = 104,548,830,606.72
  5. Step 5: Solve for x
    x = 104,548,830,606.72/335,054.40
  6. Step 6: Final answer
    x = 312,035.39

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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.