Finding the Fourth Proportional to 385,423.79, 577,936.49 and 169,194.02
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Solution
The fourth proportional to 385,423.79, 577,936.49 and 169,194.02 is: 253,703.58
Step by Step Solution
- Step 1: Write the proportion equation
385,423.79 : 577,936.49 = 169,194.02 : x - Step 2: Convert to fraction form
385,423.79/577,936.49 = 169,194.02/x - Step 3: Cross multiply
385,423.79x = 577,936.49 × 169,194.02 - Step 4: Simplify right side
385,423.79x = 97,783,394,312.14 - Step 5: Solve for x
x = 97,783,394,312.14/385,423.79 - Step 6: Final answer
x = 253,703.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.