Home / 430,757.92-646,181.06-164,742.18

Finding the Fourth Proportional to 430,757.92, 646,181.06 and 164,742.18

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Solution

The fourth proportional to 430,757.92, 646,181.06 and 164,742.18 is: 247,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,757.92 : 646,181.06 = 164,742.18 : x
  2. Step 2: Convert to fraction form
    430,757.92/646,181.06 = 164,742.18/x
  3. Step 3: Cross multiply
    430,757.92x = 646,181.06 × 164,742.18
  4. Step 4: Simplify right side
    430,757.92x = 106,453,276,499.11
  5. Step 5: Solve for x
    x = 106,453,276,499.11/430,757.92
  6. Step 6: Final answer
    x = 247,130.17

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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.