Home / 287,723.79-397,060.53-166,937.01

Finding the Fourth Proportional to 287,723.79, 397,060.53 and 166,937.01

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Solution

The fourth proportional to 287,723.79, 397,060.53 and 166,937.01 is: 230,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,723.79 : 397,060.53 = 166,937.01 : x
  2. Step 2: Convert to fraction form
    287,723.79/397,060.53 = 166,937.01/x
  3. Step 3: Cross multiply
    287,723.79x = 397,060.53 × 166,937.01
  4. Step 4: Simplify right side
    287,723.79x = 66,284,097,667.22
  5. Step 5: Solve for x
    x = 66,284,097,667.22/287,723.79
  6. Step 6: Final answer
    x = 230,374.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.