Home / 283,079.03-390,659.81-162,243.63

Finding the Fourth Proportional to 283,079.03, 390,659.81 and 162,243.63

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Solution

The fourth proportional to 283,079.03, 390,659.81 and 162,243.63 is: 223,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,079.03 : 390,659.81 = 162,243.63 : x
  2. Step 2: Convert to fraction form
    283,079.03/390,659.81 = 162,243.63/x
  3. Step 3: Cross multiply
    283,079.03x = 390,659.81 × 162,243.63
  4. Step 4: Simplify right side
    283,079.03x = 63,382,064,858.29
  5. Step 5: Solve for x
    x = 63,382,064,858.29/283,079.03
  6. Step 6: Final answer
    x = 223,902.37

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1.5x scale

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.