Home / 293,012.33-438,319.48-221,402.66

Finding the Fourth Proportional to 293,012.33, 438,319.48 and 221,402.66

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Solution

The fourth proportional to 293,012.33, 438,319.48 and 221,402.66 is: 331,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,012.33 : 438,319.48 = 221,402.66 : x
  2. Step 2: Convert to fraction form
    293,012.33/438,319.48 = 221,402.66/x
  3. Step 3: Cross multiply
    293,012.33x = 438,319.48 × 221,402.66
  4. Step 4: Simplify right side
    293,012.33x = 97,045,096,056.71
  5. Step 5: Solve for x
    x = 97,045,096,056.71/293,012.33
  6. Step 6: Final answer
    x = 331,198.00

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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.