Home / 386,852.10-579,817.35-162,212.10

Finding the Fourth Proportional to 386,852.10, 579,817.35 and 162,212.10

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Solution

The fourth proportional to 386,852.10, 579,817.35 and 162,212.10 is: 243,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,852.10 : 579,817.35 = 162,212.10 : x
  2. Step 2: Convert to fraction form
    386,852.10/579,817.35 = 162,212.10/x
  3. Step 3: Cross multiply
    386,852.10x = 579,817.35 × 162,212.10
  4. Step 4: Simplify right side
    386,852.10x = 94,053,389,959.94
  5. Step 5: Solve for x
    x = 94,053,389,959.94/386,852.10
  6. Step 6: Final answer
    x = 243,124.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.