Home / 380,752.02-525,437.82-210,986.15

Finding the Fourth Proportional to 380,752.02, 525,437.82 and 210,986.15

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Solution

The fourth proportional to 380,752.02, 525,437.82 and 210,986.15 is: 291,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,752.02 : 525,437.82 = 210,986.15 : x
  2. Step 2: Convert to fraction form
    380,752.02/525,437.82 = 210,986.15/x
  3. Step 3: Cross multiply
    380,752.02x = 525,437.82 × 210,986.15
  4. Step 4: Simplify right side
    380,752.02x = 110,860,100,079.00
  5. Step 5: Solve for x
    x = 110,860,100,079.00/380,752.02
  6. Step 6: Final answer
    x = 291,160.90

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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.