Finding the Fourth Proportional to 421,571.62, 632,365.63 and 155,195.02
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Solution
The fourth proportional to 421,571.62, 632,365.63 and 155,195.02 is: 232,795.55
Step by Step Solution
- Step 1: Write the proportion equation
421,571.62 : 632,365.63 = 155,195.02 : x - Step 2: Convert to fraction form
421,571.62/632,365.63 = 155,195.02/x - Step 3: Cross multiply
421,571.62x = 632,365.63 × 155,195.02 - Step 4: Simplify right side
421,571.62x = 98,139,997,870.60 - Step 5: Solve for x
x = 98,139,997,870.60/421,571.62 - Step 6: Final answer
x = 232,795.55
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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.