Home / 289,270.37-398,822.16-224,629.94

Finding the Fourth Proportional to 289,270.37, 398,822.16 and 224,629.94

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Solution

The fourth proportional to 289,270.37, 398,822.16 and 224,629.94 is: 309,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,270.37 : 398,822.16 = 224,629.94 : x
  2. Step 2: Convert to fraction form
    289,270.37/398,822.16 = 224,629.94/x
  3. Step 3: Cross multiply
    289,270.37x = 398,822.16 × 224,629.94
  4. Step 4: Simplify right side
    289,270.37x = 89,587,399,710.89
  5. Step 5: Solve for x
    x = 89,587,399,710.89/289,270.37
  6. Step 6: Final answer
    x = 309,701.26

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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.