Finding the Fourth Proportional to 465,699.96, 698,328.81 and 212,905.44
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Solution
The fourth proportional to 465,699.96, 698,328.81 and 212,905.44 is: 319,257.07
Step by Step Solution
- Step 1: Write the proportion equation
465,699.96 : 698,328.81 = 212,905.44 : x - Step 2: Convert to fraction form
465,699.96/698,328.81 = 212,905.44/x - Step 3: Cross multiply
465,699.96x = 698,328.81 × 212,905.44 - Step 4: Simplify right side
465,699.96x = 148,678,002,557.73 - Step 5: Solve for x
x = 148,678,002,557.73/465,699.96 - Step 6: Final answer
x = 319,257.07
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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.