Finding the Fourth Proportional to 186,528.68, 257,409.62 and 101,645.76
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Solution
The fourth proportional to 186,528.68, 257,409.62 and 101,645.76 is: 140,271.17
Step by Step Solution
- Step 1: Write the proportion equation
186,528.68 : 257,409.62 = 101,645.76 : x - Step 2: Convert to fraction form
186,528.68/257,409.62 = 101,645.76/x - Step 3: Cross multiply
186,528.68x = 257,409.62 × 101,645.76 - Step 4: Simplify right side
186,528.68x = 26,164,596,456.21 - Step 5: Solve for x
x = 26,164,596,456.21/186,528.68 - Step 6: Final answer
x = 140,271.17
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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.