Finding the Fourth Proportional to 157,357.83, 235,763.35 and 141,939.48
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Solution
The fourth proportional to 157,357.83, 235,763.35 and 141,939.48 is: 212,662.61
Step by Step Solution
- Step 1: Write the proportion equation
157,357.83 : 235,763.35 = 141,939.48 : x - Step 2: Convert to fraction form
157,357.83/235,763.35 = 141,939.48/x - Step 3: Cross multiply
157,357.83x = 235,763.35 × 141,939.48 - Step 4: Simplify right side
157,357.83x = 33,464,127,302.06 - Step 5: Solve for x
x = 33,464,127,302.06/157,357.83 - Step 6: Final answer
x = 212,662.61
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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.