Home / 315,249.03-435,108.42-192,762.36

Finding the Fourth Proportional to 315,249.03, 435,108.42 and 192,762.36

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Solution

The fourth proportional to 315,249.03, 435,108.42 and 192,762.36 is: 266,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,249.03 : 435,108.42 = 192,762.36 : x
  2. Step 2: Convert to fraction form
    315,249.03/435,108.42 = 192,762.36/x
  3. Step 3: Cross multiply
    315,249.03x = 435,108.42 × 192,762.36
  4. Step 4: Simplify right side
    315,249.03x = 83,872,525,895.07
  5. Step 5: Solve for x
    x = 83,872,525,895.07/315,249.03
  6. Step 6: Final answer
    x = 266,051.65

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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.