Home / 346,917.78-478,826.55-225,848.25

Finding the Fourth Proportional to 346,917.78, 478,826.55 and 225,848.25

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Solution

The fourth proportional to 346,917.78, 478,826.55 and 225,848.25 is: 311,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,917.78 : 478,826.55 = 225,848.25 : x
  2. Step 2: Convert to fraction form
    346,917.78/478,826.55 = 225,848.25/x
  3. Step 3: Cross multiply
    346,917.78x = 478,826.55 × 225,848.25
  4. Step 4: Simplify right side
    346,917.78x = 108,142,138,371.04
  5. Step 5: Solve for x
    x = 108,142,138,371.04/346,917.78
  6. Step 6: Final answer
    x = 311,722.67

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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.