Home / 342,032.35-471,889.56-221,326.35

Finding the Fourth Proportional to 342,032.35, 471,889.56 and 221,326.35

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Solution

The fourth proportional to 342,032.35, 471,889.56 and 221,326.35 is: 305,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,032.35 : 471,889.56 = 221,326.35 : x
  2. Step 2: Convert to fraction form
    342,032.35/471,889.56 = 221,326.35/x
  3. Step 3: Cross multiply
    342,032.35x = 471,889.56 × 221,326.35
  4. Step 4: Simplify right side
    342,032.35x = 104,441,591,558.46
  5. Step 5: Solve for x
    x = 104,441,591,558.46/342,032.35
  6. Step 6: Final answer
    x = 305,355.89

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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.