Home / 307,389.22-424,196.28-171,423.32

Finding the Fourth Proportional to 307,389.22, 424,196.28 and 171,423.32

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Solution

The fourth proportional to 307,389.22, 424,196.28 and 171,423.32 is: 236,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,389.22 : 424,196.28 = 171,423.32 : x
  2. Step 2: Convert to fraction form
    307,389.22/424,196.28 = 171,423.32/x
  3. Step 3: Cross multiply
    307,389.22x = 424,196.28 × 171,423.32
  4. Step 4: Simplify right side
    307,389.22x = 72,717,134,649.25
  5. Step 5: Solve for x
    x = 72,717,134,649.25/307,389.22
  6. Step 6: Final answer
    x = 236,563.71

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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.