Home / 445,943.07-615,401.85-254,960.46

Finding the Fourth Proportional to 445,943.07, 615,401.85 and 254,960.46

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Solution

The fourth proportional to 445,943.07, 615,401.85 and 254,960.46 is: 351,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,943.07 : 615,401.85 = 254,960.46 : x
  2. Step 2: Convert to fraction form
    445,943.07/615,401.85 = 254,960.46/x
  3. Step 3: Cross multiply
    445,943.07x = 615,401.85 × 254,960.46
  4. Step 4: Simplify right side
    445,943.07x = 156,903,139,716.95
  5. Step 5: Solve for x
    x = 156,903,139,716.95/445,943.07
  6. Step 6: Final answer
    x = 351,845.67

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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.