Finding the Fourth Proportional to 419,161.18, 578,442.50 and 228,176.02
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Solution
The fourth proportional to 419,161.18, 578,442.50 and 228,176.02 is: 314,882.95
Step by Step Solution
- Step 1: Write the proportion equation
419,161.18 : 578,442.50 = 228,176.02 : x - Step 2: Convert to fraction form
419,161.18/578,442.50 = 228,176.02/x - Step 3: Cross multiply
419,161.18x = 578,442.50 × 228,176.02 - Step 4: Simplify right side
419,161.18x = 131,986,707,448.85 - Step 5: Solve for x
x = 131,986,707,448.85/419,161.18 - Step 6: Final answer
x = 314,882.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.