Finding the Fourth Proportional to 157,958.10, 236,476.35 and 141,369.30
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Solution
The fourth proportional to 157,958.10, 236,476.35 and 141,369.30 is: 211,641.54
Step by Step Solution
- Step 1: Write the proportion equation
157,958.10 : 236,476.35 = 141,369.30 : x - Step 2: Convert to fraction form
157,958.10/236,476.35 = 141,369.30/x - Step 3: Cross multiply
157,958.10x = 236,476.35 × 141,369.30 - Step 4: Simplify right side
157,958.10x = 33,430,496,066.06 - Step 5: Solve for x
x = 33,430,496,066.06/157,958.10 - Step 6: Final answer
x = 211,641.54
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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.