Home / 331,055.04-456,866.28-187,821.12

Finding the Fourth Proportional to 331,055.04, 456,866.28 and 187,821.12

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Solution

The fourth proportional to 331,055.04, 456,866.28 and 187,821.12 is: 259,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,055.04 : 456,866.28 = 187,821.12 : x
  2. Step 2: Convert to fraction form
    331,055.04/456,866.28 = 187,821.12/x
  3. Step 3: Cross multiply
    331,055.04x = 456,866.28 × 187,821.12
  4. Step 4: Simplify right side
    331,055.04x = 85,809,136,399.83
  5. Step 5: Solve for x
    x = 85,809,136,399.83/331,055.04
  6. Step 6: Final answer
    x = 259,199.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.