Home / 275,130.81-379,684.53-160,406.33

Finding the Fourth Proportional to 275,130.81, 379,684.53 and 160,406.33

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Solution

The fourth proportional to 275,130.81, 379,684.53 and 160,406.33 is: 221,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,130.81 : 379,684.53 = 160,406.33 : x
  2. Step 2: Convert to fraction form
    275,130.81/379,684.53 = 160,406.33/x
  3. Step 3: Cross multiply
    275,130.81x = 379,684.53 × 160,406.33
  4. Step 4: Simplify right side
    275,130.81x = 60,903,800,116.65
  5. Step 5: Solve for x
    x = 60,903,800,116.65/275,130.81
  6. Step 6: Final answer
    x = 221,363.07

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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.