Finding the Fourth Proportional to 398,602.55, 597,905.99 and 118,122.23
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Solution
The fourth proportional to 398,602.55, 597,905.99 and 118,122.23 is: 177,183.98
Step by Step Solution
- Step 1: Write the proportion equation
398,602.55 : 597,905.99 = 118,122.23 : x - Step 2: Convert to fraction form
398,602.55/597,905.99 = 118,122.23/x - Step 3: Cross multiply
398,602.55x = 597,905.99 × 118,122.23 - Step 4: Simplify right side
398,602.55x = 70,625,985,289.02 - Step 5: Solve for x
x = 70,625,985,289.02/398,602.55 - Step 6: Final answer
x = 177,183.98
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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.