Home / 335,086.20-502,718.40-145,465.20

Finding the Fourth Proportional to 335,086.20, 502,718.40 and 145,465.20

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Solution

The fourth proportional to 335,086.20, 502,718.40 and 145,465.20 is: 218,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,086.20 : 502,718.40 = 145,465.20 : x
  2. Step 2: Convert to fraction form
    335,086.20/502,718.40 = 145,465.20/x
  3. Step 3: Cross multiply
    335,086.20x = 502,718.40 × 145,465.20
  4. Step 4: Simplify right side
    335,086.20x = 73,128,032,599.68
  5. Step 5: Solve for x
    x = 73,128,032,599.68/335,086.20
  6. Step 6: Final answer
    x = 218,236.48

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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.