Home / 380,860.02-525,313.89-251,648.82

Finding the Fourth Proportional to 380,860.02, 525,313.89 and 251,648.82

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Solution

The fourth proportional to 380,860.02, 525,313.89 and 251,648.82 is: 347,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,860.02 : 525,313.89 = 251,648.82 : x
  2. Step 2: Convert to fraction form
    380,860.02/525,313.89 = 251,648.82/x
  3. Step 3: Cross multiply
    380,860.02x = 525,313.89 × 251,648.82
  4. Step 4: Simplify right side
    380,860.02x = 132,194,620,548.11
  5. Step 5: Solve for x
    x = 132,194,620,548.11/380,860.02
  6. Step 6: Final answer
    x = 347,095.03

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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.