Home / 302,096.78-453,145.20-143,845.46

Finding the Fourth Proportional to 302,096.78, 453,145.20 and 143,845.46

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Solution

The fourth proportional to 302,096.78, 453,145.20 and 143,845.46 is: 215,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,096.78 : 453,145.20 = 143,845.46 : x
  2. Step 2: Convert to fraction form
    302,096.78/453,145.20 = 143,845.46/x
  3. Step 3: Cross multiply
    302,096.78x = 453,145.20 × 143,845.46
  4. Step 4: Simplify right side
    302,096.78x = 65,182,879,740.79
  5. Step 5: Solve for x
    x = 65,182,879,740.79/302,096.78
  6. Step 6: Final answer
    x = 215,768.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.