Home / 430,675.18-646,056.96-164,659.43

Finding the Fourth Proportional to 430,675.18, 646,056.96 and 164,659.43

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Solution

The fourth proportional to 430,675.18, 646,056.96 and 164,659.43 is: 247,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,675.18 : 646,056.96 = 164,659.43 : x
  2. Step 2: Convert to fraction form
    430,675.18/646,056.96 = 164,659.43/x
  3. Step 3: Cross multiply
    430,675.18x = 646,056.96 × 164,659.43
  4. Step 4: Simplify right side
    430,675.18x = 106,379,372,705.01
  5. Step 5: Solve for x
    x = 106,379,372,705.01/430,675.18
  6. Step 6: Final answer
    x = 247,006.05

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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.