Home / 346,958.05-478,775.46-210,973.36

Finding the Fourth Proportional to 346,958.05, 478,775.46 and 210,973.36

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Solution

The fourth proportional to 346,958.05, 478,775.46 and 210,973.36 is: 291,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,958.05 : 478,775.46 = 210,973.36 : x
  2. Step 2: Convert to fraction form
    346,958.05/478,775.46 = 210,973.36/x
  3. Step 3: Cross multiply
    346,958.05x = 478,775.46 × 210,973.36
  4. Step 4: Simplify right side
    346,958.05x = 101,008,867,481.75
  5. Step 5: Solve for x
    x = 101,008,867,481.75/346,958.05
  6. Step 6: Final answer
    x = 291,127.03

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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.