Finding the Fourth Proportional to 157,563.68, 236,203.34 and 57,654.23
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Solution
The fourth proportional to 157,563.68, 236,203.34 and 57,654.23 is: 86,429.31
Step by Step Solution
- Step 1: Write the proportion equation
157,563.68 : 236,203.34 = 57,654.23 : x - Step 2: Convert to fraction form
157,563.68/236,203.34 = 57,654.23/x - Step 3: Cross multiply
157,563.68x = 236,203.34 × 57,654.23 - Step 4: Simplify right side
157,563.68x = 13,618,120,221.84 - Step 5: Solve for x
x = 13,618,120,221.84/157,563.68 - Step 6: Final answer
x = 86,429.31
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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.