Finding the Fourth Proportional to 342,202.08, 513,390.72 and 142,456.08
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Solution
The fourth proportional to 342,202.08, 513,390.72 and 142,456.08 is: 213,720.59
Step by Step Solution
- Step 1: Write the proportion equation
342,202.08 : 513,390.72 = 142,456.08 : x - Step 2: Convert to fraction form
342,202.08/513,390.72 = 142,456.08/x - Step 3: Cross multiply
342,202.08x = 513,390.72 × 142,456.08 - Step 4: Simplify right side
342,202.08x = 73,135,629,479.58 - Step 5: Solve for x
x = 73,135,629,479.58/342,202.08 - Step 6: Final answer
x = 213,720.59
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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.