Home / 302,682.89-454,024.34-142,721.60

Finding the Fourth Proportional to 302,682.89, 454,024.34 and 142,721.60

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Solution

The fourth proportional to 302,682.89, 454,024.34 and 142,721.60 is: 214,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,682.89 : 454,024.34 = 142,721.60 : x
  2. Step 2: Convert to fraction form
    302,682.89/454,024.34 = 142,721.60/x
  3. Step 3: Cross multiply
    302,682.89x = 454,024.34 × 142,721.60
  4. Step 4: Simplify right side
    302,682.89x = 64,799,077,260.01
  5. Step 5: Solve for x
    x = 64,799,077,260.01/302,682.89
  6. Step 6: Final answer
    x = 214,082.40

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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.