Home / 316,172.48-436,066.08-268,583.36

Finding the Fourth Proportional to 316,172.48, 436,066.08 and 268,583.36

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Solution

The fourth proportional to 316,172.48, 436,066.08 and 268,583.36 is: 370,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,172.48 : 436,066.08 = 268,583.36 : x
  2. Step 2: Convert to fraction form
    316,172.48/436,066.08 = 268,583.36/x
  3. Step 3: Cross multiply
    316,172.48x = 436,066.08 × 268,583.36
  4. Step 4: Simplify right side
    316,172.48x = 117,120,092,948.43
  5. Step 5: Solve for x
    x = 117,120,092,948.43/316,172.48
  6. Step 6: Final answer
    x = 370,431.02

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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.