Finding the Fourth Proportional to 314,335.53, 471,503.70 and 77,674.59
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Solution
The fourth proportional to 314,335.53, 471,503.70 and 77,674.59 is: 116,511.99
Step by Step Solution
- Step 1: Write the proportion equation
314,335.53 : 471,503.70 = 77,674.59 : x - Step 2: Convert to fraction form
314,335.53/471,503.70 = 77,674.59/x - Step 3: Cross multiply
314,335.53x = 471,503.70 × 77,674.59 - Step 4: Simplify right side
314,335.53x = 36,623,856,580.98 - Step 5: Solve for x
x = 36,623,856,580.98/314,335.53 - Step 6: Final answer
x = 116,511.99
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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.