Home / 307,450.03-424,281.62-171,492.78

Finding the Fourth Proportional to 307,450.03, 424,281.62 and 171,492.78

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Solution

The fourth proportional to 307,450.03, 424,281.62 and 171,492.78 is: 236,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,450.03 : 424,281.62 = 171,492.78 : x
  2. Step 2: Convert to fraction form
    307,450.03/424,281.62 = 171,492.78/x
  3. Step 3: Cross multiply
    307,450.03x = 424,281.62 × 171,492.78
  4. Step 4: Simplify right side
    307,450.03x = 72,761,234,516.70
  5. Step 5: Solve for x
    x = 72,761,234,516.70/307,450.03
  6. Step 6: Final answer
    x = 236,660.36

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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.