Home / 307,623.34-424,519.63-171,649.09

Finding the Fourth Proportional to 307,623.34, 424,519.63 and 171,649.09

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Solution

The fourth proportional to 307,623.34, 424,519.63 and 171,649.09 is: 236,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,623.34 : 424,519.63 = 171,649.09 : x
  2. Step 2: Convert to fraction form
    307,623.34/424,519.63 = 171,649.09/x
  3. Step 3: Cross multiply
    307,623.34x = 424,519.63 × 171,649.09
  4. Step 4: Simplify right side
    307,623.34x = 72,868,408,176.64
  5. Step 5: Solve for x
    x = 72,868,408,176.64/307,623.34
  6. Step 6: Final answer
    x = 236,875.42

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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.