Home / 357,128.10-492,842.88-195,998.13

Finding the Fourth Proportional to 357,128.10, 492,842.88 and 195,998.13

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Solution

The fourth proportional to 357,128.10, 492,842.88 and 195,998.13 is: 270,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,128.10 : 492,842.88 = 195,998.13 : x
  2. Step 2: Convert to fraction form
    357,128.10/492,842.88 = 195,998.13/x
  3. Step 3: Cross multiply
    357,128.10x = 492,842.88 × 195,998.13
  4. Step 4: Simplify right side
    357,128.10x = 96,596,282,863.81
  5. Step 5: Solve for x
    x = 96,596,282,863.81/357,128.10
  6. Step 6: Final answer
    x = 270,480.77

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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.