Finding the Fourth Proportional to 314,126.09, 471,242.05 and 145,578.05
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Solution
The fourth proportional to 314,126.09, 471,242.05 and 145,578.05 is: 218,391.59
Step by Step Solution
- Step 1: Write the proportion equation
314,126.09 : 471,242.05 = 145,578.05 : x - Step 2: Convert to fraction form
314,126.09/471,242.05 = 145,578.05/x - Step 3: Cross multiply
314,126.09x = 471,242.05 × 145,578.05 - Step 4: Simplify right side
314,126.09x = 68,602,495,996.85 - Step 5: Solve for x
x = 68,602,495,996.85/314,126.09 - Step 6: Final answer
x = 218,391.59
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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.