Finding the Fourth Proportional to 421,827.94, 582,121.02 and 228,235.06
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Solution
The fourth proportional to 421,827.94, 582,121.02 and 228,235.06 is: 314,963.55
Step by Step Solution
- Step 1: Write the proportion equation
421,827.94 : 582,121.02 = 228,235.06 : x - Step 2: Convert to fraction form
421,827.94/582,121.02 = 228,235.06/x - Step 3: Cross multiply
421,827.94x = 582,121.02 × 228,235.06 - Step 4: Simplify right side
421,827.94x = 132,860,425,926.96 - Step 5: Solve for x
x = 132,860,425,926.96/421,827.94 - Step 6: Final answer
x = 314,963.55
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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.