Finding the Fourth Proportional to 304,726.98, 420,593.21 and 202,756.74
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Solution
The fourth proportional to 304,726.98, 420,593.21 and 202,756.74 is: 279,850.86
Step by Step Solution
- Step 1: Write the proportion equation
304,726.98 : 420,593.21 = 202,756.74 : x - Step 2: Convert to fraction form
304,726.98/420,593.21 = 202,756.74/x - Step 3: Cross multiply
304,726.98x = 420,593.21 × 202,756.74 - Step 4: Simplify right side
304,726.98x = 85,278,106,295.06 - Step 5: Solve for x
x = 85,278,106,295.06/304,726.98 - Step 6: Final answer
x = 279,850.86
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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.