Home / 263,640.67-363,822.07-142,779.16

Finding the Fourth Proportional to 263,640.67, 363,822.07 and 142,779.16

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Solution

The fourth proportional to 263,640.67, 363,822.07 and 142,779.16 is: 197,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,640.67 : 363,822.07 = 142,779.16 : x
  2. Step 2: Convert to fraction form
    263,640.67/363,822.07 = 142,779.16/x
  3. Step 3: Cross multiply
    263,640.67x = 363,822.07 × 142,779.16
  4. Step 4: Simplify right side
    263,640.67x = 51,946,209,544.06
  5. Step 5: Solve for x
    x = 51,946,209,544.06/263,640.67
  6. Step 6: Final answer
    x = 197,034.13

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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.