Finding the Fourth Proportional to 488,647.18, 731,972.93 and 251,491.63
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Solution
The fourth proportional to 488,647.18, 731,972.93 and 251,491.63 is: 376,723.88
Step by Step Solution
- Step 1: Write the proportion equation
488,647.18 : 731,972.93 = 251,491.63 : x - Step 2: Convert to fraction form
488,647.18/731,972.93 = 251,491.63/x - Step 3: Cross multiply
488,647.18x = 731,972.93 × 251,491.63 - Step 4: Simplify right side
488,647.18x = 184,085,061,621.71 - Step 5: Solve for x
x = 184,085,061,621.71/488,647.18 - Step 6: Final answer
x = 376,723.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.