Home / 286,725.03-395,685.26-157,669.16

Finding the Fourth Proportional to 286,725.03, 395,685.26 and 157,669.16

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Solution

The fourth proportional to 286,725.03, 395,685.26 and 157,669.16 is: 217,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,725.03 : 395,685.26 = 157,669.16 : x
  2. Step 2: Convert to fraction form
    286,725.03/395,685.26 = 157,669.16/x
  3. Step 3: Cross multiply
    286,725.03x = 395,685.26 × 157,669.16
  4. Step 4: Simplify right side
    286,725.03x = 62,387,359,801.81
  5. Step 5: Solve for x
    x = 62,387,359,801.81/286,725.03
  6. Step 6: Final answer
    x = 217,586.03

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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.