Home / 342,288.37-513,684.83-162,374.36

Finding the Fourth Proportional to 342,288.37, 513,684.83 and 162,374.36

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Solution

The fourth proportional to 342,288.37, 513,684.83 and 162,374.36 is: 243,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,288.37 : 513,684.83 = 162,374.36 : x
  2. Step 2: Convert to fraction form
    342,288.37/513,684.83 = 162,374.36/x
  3. Step 3: Cross multiply
    342,288.37x = 513,684.83 × 162,374.36
  4. Step 4: Simplify right side
    342,288.37x = 83,409,245,985.30
  5. Step 5: Solve for x
    x = 83,409,245,985.30/342,288.37
  6. Step 6: Final answer
    x = 243,681.21

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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.