Home / 293,072.67-439,547.49-82,661.40

Finding the Fourth Proportional to 293,072.67, 439,547.49 and 82,661.40

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Solution

The fourth proportional to 293,072.67, 439,547.49 and 82,661.40 is: 123,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,072.67 : 439,547.49 = 82,661.40 : x
  2. Step 2: Convert to fraction form
    293,072.67/439,547.49 = 82,661.40/x
  3. Step 3: Cross multiply
    293,072.67x = 439,547.49 × 82,661.40
  4. Step 4: Simplify right side
    293,072.67x = 36,333,610,889.89
  5. Step 5: Solve for x
    x = 36,333,610,889.89/293,072.67
  6. Step 6: Final answer
    x = 123,974.75

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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.