Home / 286,427.13-395,275.70-157,367.27

Finding the Fourth Proportional to 286,427.13, 395,275.70 and 157,367.27

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Solution

The fourth proportional to 286,427.13, 395,275.70 and 157,367.27 is: 217,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,427.13 : 395,275.70 = 157,367.27 : x
  2. Step 2: Convert to fraction form
    286,427.13/395,275.70 = 157,367.27/x
  3. Step 3: Cross multiply
    286,427.13x = 395,275.70 × 157,367.27
  4. Step 4: Simplify right side
    286,427.13x = 62,203,455,043.12
  5. Step 5: Solve for x
    x = 62,203,455,043.12/286,427.13
  6. Step 6: Final answer
    x = 217,170.26

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1.5x scale

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.