Home / 270,834.21-373,719.41-156,111.53

Finding the Fourth Proportional to 270,834.21, 373,719.41 and 156,111.53

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Solution

The fourth proportional to 270,834.21, 373,719.41 and 156,111.53 is: 215,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,834.21 : 373,719.41 = 156,111.53 : x
  2. Step 2: Convert to fraction form
    270,834.21/373,719.41 = 156,111.53/x
  3. Step 3: Cross multiply
    270,834.21x = 373,719.41 × 156,111.53
  4. Step 4: Simplify right side
    270,834.21x = 58,341,908,885.80
  5. Step 5: Solve for x
    x = 58,341,908,885.80/270,834.21
  6. Step 6: Final answer
    x = 215,415.58

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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.