Finding the Fourth Proportional to 315,219.36, 472,588.32 and 157,560.96
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Solution
The fourth proportional to 315,219.36, 472,588.32 and 157,560.96 is: 236,221.12
Step by Step Solution
- Step 1: Write the proportion equation
315,219.36 : 472,588.32 = 157,560.96 : x - Step 2: Convert to fraction form
315,219.36/472,588.32 = 157,560.96/x - Step 3: Cross multiply
315,219.36x = 472,588.32 × 157,560.96 - Step 4: Simplify right side
315,219.36x = 74,461,469,383.99 - Step 5: Solve for x
x = 74,461,469,383.99/315,219.36 - Step 6: Final answer
x = 236,221.12
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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.