Home / 666,083.16-999,136.80-216,802.44

Finding the Fourth Proportional to 666,083.16, 999,136.80 and 216,802.44

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Solution

The fourth proportional to 666,083.16, 999,136.80 and 216,802.44 is: 325,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,083.16 : 999,136.80 = 216,802.44 : x
  2. Step 2: Convert to fraction form
    666,083.16/999,136.80 = 216,802.44/x
  3. Step 3: Cross multiply
    666,083.16x = 999,136.80 × 216,802.44
  4. Step 4: Simplify right side
    666,083.16x = 216,615,296,133.79
  5. Step 5: Solve for x
    x = 216,615,296,133.79/666,083.16
  6. Step 6: Final answer
    x = 325,207.59

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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.