Home / 509,092.02-763,647.75-154,104.66

Finding the Fourth Proportional to 509,092.02, 763,647.75 and 154,104.66

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Solution

The fourth proportional to 509,092.02, 763,647.75 and 154,104.66 is: 231,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,092.02 : 763,647.75 = 154,104.66 : x
  2. Step 2: Convert to fraction form
    509,092.02/763,647.75 = 154,104.66/x
  3. Step 3: Cross multiply
    509,092.02x = 763,647.75 × 154,104.66
  4. Step 4: Simplify right side
    509,092.02x = 117,681,676,873.52
  5. Step 5: Solve for x
    x = 117,681,676,873.52/509,092.02
  6. Step 6: Final answer
    x = 231,159.93

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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.