Home / 245,418.40-367,933.20-105,061.60

Finding the Fourth Proportional to 245,418.40, 367,933.20 and 105,061.60

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Solution

The fourth proportional to 245,418.40, 367,933.20 and 105,061.60 is: 157,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,418.40 : 367,933.20 = 105,061.60 : x
  2. Step 2: Convert to fraction form
    245,418.40/367,933.20 = 105,061.60/x
  3. Step 3: Cross multiply
    245,418.40x = 367,933.20 × 105,061.60
  4. Step 4: Simplify right side
    245,418.40x = 38,655,650,685.12
  5. Step 5: Solve for x
    x = 38,655,650,685.12/245,418.40
  6. Step 6: Final answer
    x = 157,509.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.