Finding the Fourth Proportional to 652,781.92, 978,896.40 and 232,163.68
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Solution
The fourth proportional to 652,781.92, 978,896.40 and 232,163.68 is: 348,147.19
Step by Step Solution
- Step 1: Write the proportion equation
652,781.92 : 978,896.40 = 232,163.68 : x - Step 2: Convert to fraction form
652,781.92/978,896.40 = 232,163.68/x - Step 3: Cross multiply
652,781.92x = 978,896.40 × 232,163.68 - Step 4: Simplify right side
652,781.92x = 227,264,190,562.75 - Step 5: Solve for x
x = 227,264,190,562.75/652,781.92 - Step 6: Final answer
x = 348,147.19
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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.