Home / 254,317.93-350,955.03-145,421.12

Finding the Fourth Proportional to 254,317.93, 350,955.03 and 145,421.12

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Solution

The fourth proportional to 254,317.93, 350,955.03 and 145,421.12 is: 200,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,317.93 : 350,955.03 = 145,421.12 : x
  2. Step 2: Convert to fraction form
    254,317.93/350,955.03 = 145,421.12/x
  3. Step 3: Cross multiply
    254,317.93x = 350,955.03 × 145,421.12
  4. Step 4: Simplify right side
    254,317.93x = 51,036,274,136.96
  5. Step 5: Solve for x
    x = 51,036,274,136.96/254,317.93
  6. Step 6: Final answer
    x = 200,679.03

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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.