Finding the Fourth Proportional to 157,664.62, 236,356.26 and 57,801.49
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Solution
The fourth proportional to 157,664.62, 236,356.26 and 57,801.49 is: 86,650.66
Step by Step Solution
- Step 1: Write the proportion equation
157,664.62 : 236,356.26 = 57,801.49 : x - Step 2: Convert to fraction form
157,664.62/236,356.26 = 57,801.49/x - Step 3: Cross multiply
157,664.62x = 236,356.26 × 57,801.49 - Step 4: Simplify right side
157,664.62x = 13,661,742,817.05 - Step 5: Solve for x
x = 13,661,742,817.05/157,664.62 - Step 6: Final answer
x = 86,650.66
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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.