Home / 302,982.63-454,485.43-113,423.09

Finding the Fourth Proportional to 302,982.63, 454,485.43 and 113,423.09

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Solution

The fourth proportional to 302,982.63, 454,485.43 and 113,423.09 is: 170,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,982.63 : 454,485.43 = 113,423.09 : x
  2. Step 2: Convert to fraction form
    302,982.63/454,485.43 = 113,423.09/x
  3. Step 3: Cross multiply
    302,982.63x = 454,485.43 × 113,423.09
  4. Step 4: Simplify right side
    302,982.63x = 51,549,139,699.93
  5. Step 5: Solve for x
    x = 51,549,139,699.93/302,982.63
  6. Step 6: Final answer
    x = 170,138.93

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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.