Home / 455,055.80-683,102.10-268,172.60

Finding the Fourth Proportional to 455,055.80, 683,102.10 and 268,172.60

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Solution

The fourth proportional to 455,055.80, 683,102.10 and 268,172.60 is: 402,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,055.80 : 683,102.10 = 268,172.60 : x
  2. Step 2: Convert to fraction form
    455,055.80/683,102.10 = 268,172.60/x
  3. Step 3: Cross multiply
    455,055.80x = 683,102.10 × 268,172.60
  4. Step 4: Simplify right side
    455,055.80x = 183,189,266,222.46
  5. Step 5: Solve for x
    x = 183,189,266,222.46/455,055.80
  6. Step 6: Final answer
    x = 402,564.40

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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.