Home / 380,762.13-525,172.29-273,442.41

Finding the Fourth Proportional to 380,762.13, 525,172.29 and 273,442.41

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Solution

The fourth proportional to 380,762.13, 525,172.29 and 273,442.41 is: 377,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,762.13 : 525,172.29 = 273,442.41 : x
  2. Step 2: Convert to fraction form
    380,762.13/525,172.29 = 273,442.41/x
  3. Step 3: Cross multiply
    380,762.13x = 525,172.29 × 273,442.41
  4. Step 4: Simplify right side
    380,762.13x = 143,604,376,642.82
  5. Step 5: Solve for x
    x = 143,604,376,642.82/380,762.13
  6. Step 6: Final answer
    x = 377,149.84

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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.