Finding the Fourth Proportional to 631,261.42, 946,894.68 and 157,945.48
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Solution
The fourth proportional to 631,261.42, 946,894.68 and 157,945.48 is: 236,918.86
Step by Step Solution
- Step 1: Write the proportion equation
631,261.42 : 946,894.68 = 157,945.48 : x - Step 2: Convert to fraction form
631,261.42/946,894.68 = 157,945.48/x - Step 3: Cross multiply
631,261.42x = 946,894.68 × 157,945.48 - Step 4: Simplify right side
631,261.42x = 149,557,734,742.05 - Step 5: Solve for x
x = 149,557,734,742.05/631,261.42 - Step 6: Final answer
x = 236,918.86
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1.5x scale
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.