Home / 386,239.02-579,518.51-208,537.17

Finding the Fourth Proportional to 386,239.02, 579,518.51 and 208,537.17

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Solution

The fourth proportional to 386,239.02, 579,518.51 and 208,537.17 is: 312,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,239.02 : 579,518.51 = 208,537.17 : x
  2. Step 2: Convert to fraction form
    386,239.02/579,518.51 = 208,537.17/x
  3. Step 3: Cross multiply
    386,239.02x = 579,518.51 × 208,537.17
  4. Step 4: Simplify right side
    386,239.02x = 120,851,148,995.33
  5. Step 5: Solve for x
    x = 120,851,148,995.33/386,239.02
  6. Step 6: Final answer
    x = 312,892.13

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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.