Home / 279,823.02-386,145.99-152,496.06

Finding the Fourth Proportional to 279,823.02, 386,145.99 and 152,496.06

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Solution

The fourth proportional to 279,823.02, 386,145.99 and 152,496.06 is: 210,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,823.02 : 386,145.99 = 152,496.06 : x
  2. Step 2: Convert to fraction form
    279,823.02/386,145.99 = 152,496.06/x
  3. Step 3: Cross multiply
    279,823.02x = 386,145.99 × 152,496.06
  4. Step 4: Simplify right side
    279,823.02x = 58,885,742,059.80
  5. Step 5: Solve for x
    x = 58,885,742,059.80/279,823.02
  6. Step 6: Final answer
    x = 210,439.23

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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.