Home / 357,105.03-492,804.63-195,970.20

Finding the Fourth Proportional to 357,105.03, 492,804.63 and 195,970.20

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Solution

The fourth proportional to 357,105.03, 492,804.63 and 195,970.20 is: 270,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,105.03 : 492,804.63 = 195,970.20 : x
  2. Step 2: Convert to fraction form
    357,105.03/492,804.63 = 195,970.20/x
  3. Step 3: Cross multiply
    357,105.03x = 492,804.63 × 195,970.20
  4. Step 4: Simplify right side
    357,105.03x = 96,575,021,902.03
  5. Step 5: Solve for x
    x = 96,575,021,902.03/357,105.03
  6. Step 6: Final answer
    x = 270,438.71

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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.