Home / 346,921.35-478,832.36-225,852.81

Finding the Fourth Proportional to 346,921.35, 478,832.36 and 225,852.81

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Solution

The fourth proportional to 346,921.35, 478,832.36 and 225,852.81 is: 311,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,921.35 : 478,832.36 = 225,852.81 : x
  2. Step 2: Convert to fraction form
    346,921.35/478,832.36 = 225,852.81/x
  3. Step 3: Cross multiply
    346,921.35x = 478,832.36 × 225,852.81
  4. Step 4: Simplify right side
    346,921.35x = 108,145,632,895.67
  5. Step 5: Solve for x
    x = 108,145,632,895.67/346,921.35
  6. Step 6: Final answer
    x = 311,729.54

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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.