Home / 261,570.21-360,954.58-145,291.22

Finding the Fourth Proportional to 261,570.21, 360,954.58 and 145,291.22

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Solution

The fourth proportional to 261,570.21, 360,954.58 and 145,291.22 is: 200,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,570.21 : 360,954.58 = 145,291.22 : x
  2. Step 2: Convert to fraction form
    261,570.21/360,954.58 = 145,291.22/x
  3. Step 3: Cross multiply
    261,570.21x = 360,954.58 × 145,291.22
  4. Step 4: Simplify right side
    261,570.21x = 52,443,530,750.79
  5. Step 5: Solve for x
    x = 52,443,530,750.79/261,570.21
  6. Step 6: Final answer
    x = 200,495.04

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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.