Home / 313,541.47-470,917.28-268,664.23

Finding the Fourth Proportional to 313,541.47, 470,917.28 and 268,664.23

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Solution

The fourth proportional to 313,541.47, 470,917.28 and 268,664.23 is: 403,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,541.47 : 470,917.28 = 268,664.23 : x
  2. Step 2: Convert to fraction form
    313,541.47/470,917.28 = 268,664.23/x
  3. Step 3: Cross multiply
    313,541.47x = 470,917.28 × 268,664.23
  4. Step 4: Simplify right side
    313,541.47x = 126,518,628,424.89
  5. Step 5: Solve for x
    x = 126,518,628,424.89/313,541.47
  6. Step 6: Final answer
    x = 403,514.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.