Home / 285,350.22-427,895.91-107,731.17

Finding the Fourth Proportional to 285,350.22, 427,895.91 and 107,731.17

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Solution

The fourth proportional to 285,350.22, 427,895.91 and 107,731.17 is: 161,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,350.22 : 427,895.91 = 107,731.17 : x
  2. Step 2: Convert to fraction form
    285,350.22/427,895.91 = 107,731.17/x
  3. Step 3: Cross multiply
    285,350.22x = 427,895.91 × 107,731.17
  4. Step 4: Simplify right side
    285,350.22x = 46,097,727,022.51
  5. Step 5: Solve for x
    x = 46,097,727,022.51/285,350.22
  6. Step 6: Final answer
    x = 161,547.89

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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.