Home / 286,484.56-395,348.60-157,431.35

Finding the Fourth Proportional to 286,484.56, 395,348.60 and 157,431.35

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Solution

The fourth proportional to 286,484.56, 395,348.60 and 157,431.35 is: 217,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,484.56 : 395,348.60 = 157,431.35 : x
  2. Step 2: Convert to fraction form
    286,484.56/395,348.60 = 157,431.35/x
  3. Step 3: Cross multiply
    286,484.56x = 395,348.60 × 157,431.35
  4. Step 4: Simplify right side
    286,484.56x = 62,240,265,200.56
  5. Step 5: Solve for x
    x = 62,240,265,200.56/286,484.56
  6. Step 6: Final answer
    x = 217,255.22

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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.