Home / 346,863.96-478,749.42-210,869.07

Finding the Fourth Proportional to 346,863.96, 478,749.42 and 210,869.07

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Solution

The fourth proportional to 346,863.96, 478,749.42 and 210,869.07 is: 291,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,863.96 : 478,749.42 = 210,869.07 : x
  2. Step 2: Convert to fraction form
    346,863.96/478,749.42 = 210,869.07/x
  3. Step 3: Cross multiply
    346,863.96x = 478,749.42 × 210,869.07
  4. Step 4: Simplify right side
    346,863.96x = 100,953,444,958.44
  5. Step 5: Solve for x
    x = 100,953,444,958.44/346,863.96
  6. Step 6: Final answer
    x = 291,046.22

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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.