Finding the Fourth Proportional to 314,072.55, 471,048.74 and 121,946.99
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Solution
The fourth proportional to 314,072.55, 471,048.74 and 121,946.99 is: 182,897.15
Step by Step Solution
- Step 1: Write the proportion equation
314,072.55 : 471,048.74 = 121,946.99 : x - Step 2: Convert to fraction form
314,072.55/471,048.74 = 121,946.99/x - Step 3: Cross multiply
314,072.55x = 471,048.74 × 121,946.99 - Step 4: Simplify right side
314,072.55x = 57,442,973,021.31 - Step 5: Solve for x
x = 57,442,973,021.31/314,072.55 - Step 6: Final answer
x = 182,897.15
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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.