Finding the Fourth Proportional to 385,106.04, 577,436.72 and 118,795.05
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Solution
The fourth proportional to 385,106.04, 577,436.72 and 118,795.05 is: 178,123.99
Step by Step Solution
- Step 1: Write the proportion equation
385,106.04 : 577,436.72 = 118,795.05 : x - Step 2: Convert to fraction form
385,106.04/577,436.72 = 118,795.05/x - Step 3: Cross multiply
385,106.04x = 577,436.72 × 118,795.05 - Step 4: Simplify right side
385,106.04x = 68,596,623,430.26 - Step 5: Solve for x
x = 68,596,623,430.26/385,106.04 - Step 6: Final answer
x = 178,123.99
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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.