Home / 279,160.30-385,222.26-151,833.16

Finding the Fourth Proportional to 279,160.30, 385,222.26 and 151,833.16

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Solution

The fourth proportional to 279,160.30, 385,222.26 and 151,833.16 is: 209,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,160.30 : 385,222.26 = 151,833.16 : x
  2. Step 2: Convert to fraction form
    279,160.30/385,222.26 = 151,833.16/x
  3. Step 3: Cross multiply
    279,160.30x = 385,222.26 × 151,833.16
  4. Step 4: Simplify right side
    279,160.30x = 58,489,513,038.14
  5. Step 5: Solve for x
    x = 58,489,513,038.14/279,160.30
  6. Step 6: Final answer
    x = 209,519.45

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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.