Home / 279,816.93-386,147.66-152,492.63

Finding the Fourth Proportional to 279,816.93, 386,147.66 and 152,492.63

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Solution

The fourth proportional to 279,816.93, 386,147.66 and 152,492.63 is: 210,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,816.93 : 386,147.66 = 152,492.63 : x
  2. Step 2: Convert to fraction form
    279,816.93/386,147.66 = 152,492.63/x
  3. Step 3: Cross multiply
    279,816.93x = 386,147.66 × 152,492.63
  4. Step 4: Simplify right side
    279,816.93x = 58,884,669,548.54
  5. Step 5: Solve for x
    x = 58,884,669,548.54/279,816.93
  6. Step 6: Final answer
    x = 210,439.98

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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.