Home / 302,681.26-454,021.89-142,719.96

Finding the Fourth Proportional to 302,681.26, 454,021.89 and 142,719.96

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Solution

The fourth proportional to 302,681.26, 454,021.89 and 142,719.96 is: 214,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,681.26 : 454,021.89 = 142,719.96 : x
  2. Step 2: Convert to fraction form
    302,681.26/454,021.89 = 142,719.96/x
  3. Step 3: Cross multiply
    302,681.26x = 454,021.89 × 142,719.96
  4. Step 4: Simplify right side
    302,681.26x = 64,797,985,979.92
  5. Step 5: Solve for x
    x = 64,797,985,979.92/302,681.26
  6. Step 6: Final answer
    x = 214,079.94

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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.