Home / 430,924.68-646,431.16-164,908.94

Finding the Fourth Proportional to 430,924.68, 646,431.16 and 164,908.94

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Solution

The fourth proportional to 430,924.68, 646,431.16 and 164,908.94 is: 247,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,924.68 : 646,431.16 = 164,908.94 : x
  2. Step 2: Convert to fraction form
    430,924.68/646,431.16 = 164,908.94/x
  3. Step 3: Cross multiply
    430,924.68x = 646,431.16 × 164,908.94
  4. Step 4: Simplify right side
    430,924.68x = 106,602,274,558.69
  5. Step 5: Solve for x
    x = 106,602,274,558.69/430,924.68
  6. Step 6: Final answer
    x = 247,380.30

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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.