Home / 407,075.85-561,831.94-225,846.16

Finding the Fourth Proportional to 407,075.85, 561,831.94 and 225,846.16

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Solution

The fourth proportional to 407,075.85, 561,831.94 and 225,846.16 is: 311,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,075.85 : 561,831.94 = 225,846.16 : x
  2. Step 2: Convert to fraction form
    407,075.85/561,831.94 = 225,846.16/x
  3. Step 3: Cross multiply
    407,075.85x = 561,831.94 × 225,846.16
  4. Step 4: Simplify right side
    407,075.85x = 126,887,585,649.74
  5. Step 5: Solve for x
    x = 126,887,585,649.74/407,075.85
  6. Step 6: Final answer
    x = 311,705.02

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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.