Home / 346,837.82-520,362.96-311,073.08

Finding the Fourth Proportional to 346,837.82, 520,362.96 and 311,073.08

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Solution

The fourth proportional to 346,837.82, 520,362.96 and 311,073.08 is: 466,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,837.82 : 520,362.96 = 311,073.08 : x
  2. Step 2: Convert to fraction form
    346,837.82/520,362.96 = 311,073.08/x
  3. Step 3: Cross multiply
    346,837.82x = 520,362.96 × 311,073.08
  4. Step 4: Simplify right side
    346,837.82x = 161,870,908,685.12
  5. Step 5: Solve for x
    x = 161,870,908,685.12/346,837.82
  6. Step 6: Final answer
    x = 466,704.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.