Finding the Fourth Proportional to 342,135.20, 513,202.80 and 202,167.20
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Solution
The fourth proportional to 342,135.20, 513,202.80 and 202,167.20 is: 303,250.80
Step by Step Solution
- Step 1: Write the proportion equation
342,135.20 : 513,202.80 = 202,167.20 : x - Step 2: Convert to fraction form
342,135.20/513,202.80 = 202,167.20/x - Step 3: Cross multiply
342,135.20x = 513,202.80 × 202,167.20 - Step 4: Simplify right side
342,135.20x = 103,752,773,108.16 - Step 5: Solve for x
x = 103,752,773,108.16/342,135.20 - Step 6: Final answer
x = 303,250.80
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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.