Home / 307,423.36-424,245-171,466.12

Finding the Fourth Proportional to 307,423.36, 424,245 and 171,466.12

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Solution

The fourth proportional to 307,423.36, 424,245 and 171,466.12 is: 236,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,423.36 : 424,245 = 171,466.12 : x
  2. Step 2: Convert to fraction form
    307,423.36/424,245 = 171,466.12/x
  3. Step 3: Cross multiply
    307,423.36x = 424,245 × 171,466.12
  4. Step 4: Simplify right side
    307,423.36x = 72,743,644,079.40
  5. Step 5: Solve for x
    x = 72,743,644,079.40/307,423.36
  6. Step 6: Final answer
    x = 236,623.67

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1.5x scale

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.