Finding the Fourth Proportional to 385,577.16, 532,090.98 and 213,478.62
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Solution
The fourth proportional to 385,577.16, 532,090.98 and 213,478.62 is: 294,597.45
Step by Step Solution
- Step 1: Write the proportion equation
385,577.16 : 532,090.98 = 213,478.62 : x - Step 2: Convert to fraction form
385,577.16/532,090.98 = 213,478.62/x - Step 3: Cross multiply
385,577.16x = 532,090.98 × 213,478.62 - Step 4: Simplify right side
385,577.16x = 113,590,048,124.85 - Step 5: Solve for x
x = 113,590,048,124.85/385,577.16 - Step 6: Final answer
x = 294,597.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.