Home / 286,284.69-395,084.93-158,972.13

Finding the Fourth Proportional to 286,284.69, 395,084.93 and 158,972.13

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Solution

The fourth proportional to 286,284.69, 395,084.93 and 158,972.13 is: 219,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,284.69 : 395,084.93 = 158,972.13 : x
  2. Step 2: Convert to fraction form
    286,284.69/395,084.93 = 158,972.13/x
  3. Step 3: Cross multiply
    286,284.69x = 395,084.93 × 158,972.13
  4. Step 4: Simplify right side
    286,284.69x = 62,807,492,058.14
  5. Step 5: Solve for x
    x = 62,807,492,058.14/286,284.69
  6. Step 6: Final answer
    x = 219,388.23

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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.