Finding the Fourth Proportional to 263,757.08, 363,985.13 and 142,898.37
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Solution
The fourth proportional to 263,757.08, 363,985.13 and 142,898.37 is: 197,199.95
Step by Step Solution
- Step 1: Write the proportion equation
263,757.08 : 363,985.13 = 142,898.37 : x - Step 2: Convert to fraction form
263,757.08/363,985.13 = 142,898.37/x - Step 3: Cross multiply
263,757.08x = 363,985.13 × 142,898.37 - Step 4: Simplify right side
263,757.08x = 52,012,881,781.24 - Step 5: Solve for x
x = 52,012,881,781.24/263,757.08 - Step 6: Final answer
x = 197,199.95
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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.