Finding the Fourth Proportional to 243,811.98, 336,325.08 and 141,825.96
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Solution
The fourth proportional to 243,811.98, 336,325.08 and 141,825.96 is: 195,641.03
Step by Step Solution
- Step 1: Write the proportion equation
243,811.98 : 336,325.08 = 141,825.96 : x - Step 2: Convert to fraction form
243,811.98/336,325.08 = 141,825.96/x - Step 3: Cross multiply
243,811.98x = 336,325.08 × 141,825.96 - Step 4: Simplify right side
243,811.98x = 47,699,627,343.08 - Step 5: Solve for x
x = 47,699,627,343.08/243,811.98 - Step 6: Final answer
x = 195,641.03
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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.