Home / 318,114.02-439,008.03-187,268.06

Finding the Fourth Proportional to 318,114.02, 439,008.03 and 187,268.06

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Solution

The fourth proportional to 318,114.02, 439,008.03 and 187,268.06 is: 258,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,114.02 : 439,008.03 = 187,268.06 : x
  2. Step 2: Convert to fraction form
    318,114.02/439,008.03 = 187,268.06/x
  3. Step 3: Cross multiply
    318,114.02x = 439,008.03 × 187,268.06
  4. Step 4: Simplify right side
    318,114.02x = 82,212,182,102.52
  5. Step 5: Solve for x
    x = 82,212,182,102.52/318,114.02
  6. Step 6: Final answer
    x = 258,436.21

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1.5x scale

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.