Finding the Fourth Proportional to 155,448.84, 233,173.64 and 43,135.09
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Solution
The fourth proportional to 155,448.84, 233,173.64 and 43,135.09 is: 64,702.74
Step by Step Solution
- Step 1: Write the proportion equation
155,448.84 : 233,173.64 = 43,135.09 : x - Step 2: Convert to fraction form
155,448.84/233,173.64 = 43,135.09/x - Step 3: Cross multiply
155,448.84x = 233,173.64 × 43,135.09 - Step 4: Simplify right side
155,448.84x = 10,057,965,947.03 - Step 5: Solve for x
x = 10,057,965,947.03/155,448.84 - Step 6: Final answer
x = 64,702.74
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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.