Home / 343,975.60-515,669.37-130,624.03

Finding the Fourth Proportional to 343,975.60, 515,669.37 and 130,624.03

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Solution

The fourth proportional to 343,975.60, 515,669.37 and 130,624.03 is: 195,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,975.60 : 515,669.37 = 130,624.03 : x
  2. Step 2: Convert to fraction form
    343,975.60/515,669.37 = 130,624.03/x
  3. Step 3: Cross multiply
    343,975.60x = 515,669.37 × 130,624.03
  4. Step 4: Simplify right side
    343,975.60x = 67,358,811,256.96
  5. Step 5: Solve for x
    x = 67,358,811,256.96/343,975.60
  6. Step 6: Final answer
    x = 195,824.39

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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.