Home / 379,900.13-570,047.02-192,911.63

Finding the Fourth Proportional to 379,900.13, 570,047.02 and 192,911.63

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Solution

The fourth proportional to 379,900.13, 570,047.02 and 192,911.63 is: 289,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,900.13 : 570,047.02 = 192,911.63 : x
  2. Step 2: Convert to fraction form
    379,900.13/570,047.02 = 192,911.63/x
  3. Step 3: Cross multiply
    379,900.13x = 570,047.02 × 192,911.63
  4. Step 4: Simplify right side
    379,900.13x = 109,968,696,472.33
  5. Step 5: Solve for x
    x = 109,968,696,472.33/379,900.13
  6. Step 6: Final answer
    x = 289,467.39

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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.