Finding the Fourth Proportional to 228,170.79, 314,887.50 and 131,389.02
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Solution
The fourth proportional to 228,170.79, 314,887.50 and 131,389.02 is: 181,323.65
Step by Step Solution
- Step 1: Write the proportion equation
228,170.79 : 314,887.50 = 131,389.02 : x - Step 2: Convert to fraction form
228,170.79/314,887.50 = 131,389.02/x - Step 3: Cross multiply
228,170.79x = 314,887.50 × 131,389.02 - Step 4: Simplify right side
228,170.79x = 41,372,760,035.25 - Step 5: Solve for x
x = 41,372,760,035.25/228,170.79 - Step 6: Final answer
x = 181,323.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.