Home / 286,534.16-395,316.12-163,937

Finding the Fourth Proportional to 286,534.16, 395,316.12 and 163,937

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Solution

The fourth proportional to 286,534.16, 395,316.12 and 163,937 is: 226,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,534.16 : 395,316.12 = 163,937 : x
  2. Step 2: Convert to fraction form
    286,534.16/395,316.12 = 163,937/x
  3. Step 3: Cross multiply
    286,534.16x = 395,316.12 × 163,937
  4. Step 4: Simplify right side
    286,534.16x = 64,806,938,764.44
  5. Step 5: Solve for x
    x = 64,806,938,764.44/286,534.16
  6. Step 6: Final answer
    x = 226,175.26

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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.