Finding the Fourth Proportional to 157,750.40, 236,484.56 and 57,887.42
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Solution
The fourth proportional to 157,750.40, 236,484.56 and 57,887.42 is: 86,779.37
Step by Step Solution
- Step 1: Write the proportion equation
157,750.40 : 236,484.56 = 57,887.42 : x - Step 2: Convert to fraction form
157,750.40/236,484.56 = 57,887.42/x - Step 3: Cross multiply
157,750.40x = 236,484.56 × 57,887.42 - Step 4: Simplify right side
157,750.40x = 13,689,481,048.24 - Step 5: Solve for x
x = 13,689,481,048.24/157,750.40 - Step 6: Final answer
x = 86,779.37
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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.