Home / 289,927.48-400,099.02-162,605.80

Finding the Fourth Proportional to 289,927.48, 400,099.02 and 162,605.80

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Solution

The fourth proportional to 289,927.48, 400,099.02 and 162,605.80 is: 224,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,927.48 : 400,099.02 = 162,605.80 : x
  2. Step 2: Convert to fraction form
    289,927.48/400,099.02 = 162,605.80/x
  3. Step 3: Cross multiply
    289,927.48x = 400,099.02 × 162,605.80
  4. Step 4: Simplify right side
    289,927.48x = 65,058,421,226.32
  5. Step 5: Solve for x
    x = 65,058,421,226.32/289,927.48
  6. Step 6: Final answer
    x = 224,395.50

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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.