Finding the Fourth Proportional to 374,178.99, 560,918.57 and 137,458.11
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Solution
The fourth proportional to 374,178.99, 560,918.57 and 137,458.11 is: 206,058.62
Step by Step Solution
- Step 1: Write the proportion equation
374,178.99 : 560,918.57 = 137,458.11 : x - Step 2: Convert to fraction form
374,178.99/560,918.57 = 137,458.11/x - Step 3: Cross multiply
374,178.99x = 560,918.57 × 137,458.11 - Step 4: Simplify right side
374,178.99x = 77,102,805,808.81 - Step 5: Solve for x
x = 77,102,805,808.81/374,178.99 - Step 6: Final answer
x = 206,058.62
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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.