Home / 374,401.06-516,665.86-204,636.40

Finding the Fourth Proportional to 374,401.06, 516,665.86 and 204,636.40

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Solution

The fourth proportional to 374,401.06, 516,665.86 and 204,636.40 is: 282,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,401.06 : 516,665.86 = 204,636.40 : x
  2. Step 2: Convert to fraction form
    374,401.06/516,665.86 = 204,636.40/x
  3. Step 3: Cross multiply
    374,401.06x = 516,665.86 × 204,636.40
  4. Step 4: Simplify right side
    374,401.06x = 105,728,641,593.30
  5. Step 5: Solve for x
    x = 105,728,641,593.30/374,401.06
  6. Step 6: Final answer
    x = 282,394.08

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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.