Home / 341,429.07-470,905.68-218,933.07

Finding the Fourth Proportional to 341,429.07, 470,905.68 and 218,933.07

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Solution

The fourth proportional to 341,429.07, 470,905.68 and 218,933.07 is: 301,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,429.07 : 470,905.68 = 218,933.07 : x
  2. Step 2: Convert to fraction form
    341,429.07/470,905.68 = 218,933.07/x
  3. Step 3: Cross multiply
    341,429.07x = 470,905.68 × 218,933.07
  4. Step 4: Simplify right side
    341,429.07x = 103,096,826,202.84
  5. Step 5: Solve for x
    x = 103,096,826,202.84/341,429.07
  6. Step 6: Final answer
    x = 301,956.79

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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.