Home / 269,215.37-371,499.64-148,356.63

Finding the Fourth Proportional to 269,215.37, 371,499.64 and 148,356.63

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Solution

The fourth proportional to 269,215.37, 371,499.64 and 148,356.63 is: 204,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,215.37 : 371,499.64 = 148,356.63 : x
  2. Step 2: Convert to fraction form
    269,215.37/371,499.64 = 148,356.63/x
  3. Step 3: Cross multiply
    269,215.37x = 371,499.64 × 148,356.63
  4. Step 4: Simplify right side
    269,215.37x = 55,114,434,636.61
  5. Step 5: Solve for x
    x = 55,114,434,636.61/269,215.37
  6. Step 6: Final answer
    x = 204,722.47

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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.