Home / 346,718.20-520,077.30-307,352.20

Finding the Fourth Proportional to 346,718.20, 520,077.30 and 307,352.20

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Solution

The fourth proportional to 346,718.20, 520,077.30 and 307,352.20 is: 461,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,718.20 : 520,077.30 = 307,352.20 : x
  2. Step 2: Convert to fraction form
    346,718.20/520,077.30 = 307,352.20/x
  3. Step 3: Cross multiply
    346,718.20x = 520,077.30 × 307,352.20
  4. Step 4: Simplify right side
    346,718.20x = 159,846,902,325.06
  5. Step 5: Solve for x
    x = 159,846,902,325.06/346,718.20
  6. Step 6: Final answer
    x = 461,028.30

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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.