Home / 286,492.41-395,370.54-157,436.33

Finding the Fourth Proportional to 286,492.41, 395,370.54 and 157,436.33

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Solution

The fourth proportional to 286,492.41, 395,370.54 and 157,436.33 is: 217,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,492.41 : 395,370.54 = 157,436.33 : x
  2. Step 2: Convert to fraction form
    286,492.41/395,370.54 = 157,436.33/x
  3. Step 3: Cross multiply
    286,492.41x = 395,370.54 × 157,436.33
  4. Step 4: Simplify right side
    286,492.41x = 62,245,684,830.87
  5. Step 5: Solve for x
    x = 62,245,684,830.87/286,492.41
  6. Step 6: Final answer
    x = 217,268.18

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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.