Home / 286,450.48-395,312.88-195,996.16

Finding the Fourth Proportional to 286,450.48, 395,312.88 and 195,996.16

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Solution

The fourth proportional to 286,450.48, 395,312.88 and 195,996.16 is: 270,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,450.48 : 395,312.88 = 195,996.16 : x
  2. Step 2: Convert to fraction form
    286,450.48/395,312.88 = 195,996.16/x
  3. Step 3: Cross multiply
    286,450.48x = 395,312.88 × 195,996.16
  4. Step 4: Simplify right side
    286,450.48x = 77,479,806,478.54
  5. Step 5: Solve for x
    x = 77,479,806,478.54/286,450.48
  6. Step 6: Final answer
    x = 270,482.38

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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.