Finding the Fourth Proportional to 186,299.84, 257,094.96 and 101,416.88
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Solution
The fourth proportional to 186,299.84, 257,094.96 and 101,416.88 is: 139,955.94
Step by Step Solution
- Step 1: Write the proportion equation
186,299.84 : 257,094.96 = 101,416.88 : x - Step 2: Convert to fraction form
186,299.84/257,094.96 = 101,416.88/x - Step 3: Cross multiply
186,299.84x = 257,094.96 × 101,416.88 - Step 4: Simplify right side
186,299.84x = 26,073,768,706.92 - Step 5: Solve for x
x = 26,073,768,706.92/186,299.84 - Step 6: Final answer
x = 139,955.94
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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.