Finding the Fourth Proportional to 150,526.26, 207,702.63 and 86,851.89
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Solution
The fourth proportional to 150,526.26, 207,702.63 and 86,851.89 is: 119,841.99
Step by Step Solution
- Step 1: Write the proportion equation
150,526.26 : 207,702.63 = 86,851.89 : x - Step 2: Convert to fraction form
150,526.26/207,702.63 = 86,851.89/x - Step 3: Cross multiply
150,526.26x = 207,702.63 × 86,851.89 - Step 4: Simplify right side
150,526.26x = 18,039,365,973.47 - Step 5: Solve for x
x = 18,039,365,973.47/150,526.26 - Step 6: Final answer
x = 119,841.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.