Home / 456,127.47-684,287.79-136,304.23

Finding the Fourth Proportional to 456,127.47, 684,287.79 and 136,304.23

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Solution

The fourth proportional to 456,127.47, 684,287.79 and 136,304.23 is: 204,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,127.47 : 684,287.79 = 136,304.23 : x
  2. Step 2: Convert to fraction form
    456,127.47/684,287.79 = 136,304.23/x
  3. Step 3: Cross multiply
    456,127.47x = 684,287.79 × 136,304.23
  4. Step 4: Simplify right side
    456,127.47x = 93,271,320,314.35
  5. Step 5: Solve for x
    x = 93,271,320,314.35/456,127.47
  6. Step 6: Final answer
    x = 204,485.21

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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.