Finding the Fourth Proportional to 186,459.18, 257,332.25 and 113,858.07
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Solution
The fourth proportional to 186,459.18, 257,332.25 and 113,858.07 is: 157,135.48
Step by Step Solution
- Step 1: Write the proportion equation
186,459.18 : 257,332.25 = 113,858.07 : x - Step 2: Convert to fraction form
186,459.18/257,332.25 = 113,858.07/x - Step 3: Cross multiply
186,459.18x = 257,332.25 × 113,858.07 - Step 4: Simplify right side
186,459.18x = 29,299,353,618.40 - Step 5: Solve for x
x = 29,299,353,618.40/186,459.18 - Step 6: Final answer
x = 157,135.48
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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.