Home / 334,987.89-502,199.37-145,305.51

Finding the Fourth Proportional to 334,987.89, 502,199.37 and 145,305.51

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Solution

The fourth proportional to 334,987.89, 502,199.37 and 145,305.51 is: 217,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,987.89 : 502,199.37 = 145,305.51 : x
  2. Step 2: Convert to fraction form
    334,987.89/502,199.37 = 145,305.51/x
  3. Step 3: Cross multiply
    334,987.89x = 502,199.37 × 145,305.51
  4. Step 4: Simplify right side
    334,987.89x = 72,972,335,579.53
  5. Step 5: Solve for x
    x = 72,972,335,579.53/334,987.89
  6. Step 6: Final answer
    x = 217,835.74

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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.