Home / 256,320.10-351,152.70-246,736.45

Finding the Fourth Proportional to 256,320.10, 351,152.70 and 246,736.45

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Solution

The fourth proportional to 256,320.10, 351,152.70 and 246,736.45 is: 338,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,320.10 : 351,152.70 = 246,736.45 : x
  2. Step 2: Convert to fraction form
    256,320.10/351,152.70 = 246,736.45/x
  3. Step 3: Cross multiply
    256,320.10x = 351,152.70 × 246,736.45
  4. Step 4: Simplify right side
    256,320.10x = 86,642,170,605.92
  5. Step 5: Solve for x
    x = 86,642,170,605.92/256,320.10
  6. Step 6: Final answer
    x = 338,023.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.