Finding the Fourth Proportional to 155,953.44, 234,033.96 and 84,893.99
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Solution
The fourth proportional to 155,953.44, 234,033.96 and 84,893.99 is: 127,397.48
Step by Step Solution
- Step 1: Write the proportion equation
155,953.44 : 234,033.96 = 84,893.99 : x - Step 2: Convert to fraction form
155,953.44/234,033.96 = 84,893.99/x - Step 3: Cross multiply
155,953.44x = 234,033.96 × 84,893.99 - Step 4: Simplify right side
155,953.44x = 19,868,075,489.73 - Step 5: Solve for x
x = 19,868,075,489.73/155,953.44 - Step 6: Final answer
x = 127,397.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.