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Finding the Fourth Proportional to 342,669.96, 473,098.86 and 220,212

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Solution

The fourth proportional to 342,669.96, 473,098.86 and 220,212 is: 304,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,669.96 : 473,098.86 = 220,212 : x
  2. Step 2: Convert to fraction form
    342,669.96/473,098.86 = 220,212/x
  3. Step 3: Cross multiply
    342,669.96x = 473,098.86 × 220,212
  4. Step 4: Simplify right side
    342,669.96x = 104,182,046,158.32
  5. Step 5: Solve for x
    x = 104,182,046,158.32/342,669.96
  6. Step 6: Final answer
    x = 304,030.29

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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.