Finding the Fourth Proportional to 419,740.80, 579,225.42 and 228,750.06
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Solution
The fourth proportional to 419,740.80, 579,225.42 and 228,750.06 is: 315,665.88
Step by Step Solution
- Step 1: Write the proportion equation
419,740.80 : 579,225.42 = 228,750.06 : x - Step 2: Convert to fraction form
419,740.80/579,225.42 = 228,750.06/x - Step 3: Cross multiply
419,740.80x = 579,225.42 × 228,750.06 - Step 4: Simplify right side
419,740.80x = 132,497,849,578.53 - Step 5: Solve for x
x = 132,497,849,578.53/419,740.80 - Step 6: Final answer
x = 315,665.88
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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.