Home / 268,722.02-403,152.29-192,908.45

Finding the Fourth Proportional to 268,722.02, 403,152.29 and 192,908.45

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Solution

The fourth proportional to 268,722.02, 403,152.29 and 192,908.45 is: 289,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,722.02 : 403,152.29 = 192,908.45 : x
  2. Step 2: Convert to fraction form
    268,722.02/403,152.29 = 192,908.45/x
  3. Step 3: Cross multiply
    268,722.02x = 403,152.29 × 192,908.45
  4. Step 4: Simplify right side
    268,722.02x = 77,771,483,377.85
  5. Step 5: Solve for x
    x = 77,771,483,377.85/268,722.02
  6. Step 6: Final answer
    x = 289,412.39

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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.