Home / 272,684.93-376,301.61-157,979.21

Finding the Fourth Proportional to 272,684.93, 376,301.61 and 157,979.21

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Solution

The fourth proportional to 272,684.93, 376,301.61 and 157,979.21 is: 218,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,684.93 : 376,301.61 = 157,979.21 : x
  2. Step 2: Convert to fraction form
    272,684.93/376,301.61 = 157,979.21/x
  3. Step 3: Cross multiply
    272,684.93x = 376,301.61 × 157,979.21
  4. Step 4: Simplify right side
    272,684.93x = 59,447,829,188.02
  5. Step 5: Solve for x
    x = 59,447,829,188.02/272,684.93
  6. Step 6: Final answer
    x = 218,009.23

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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.