Finding the Fourth Proportional to 186,510.96, 257,385.18 and 101,628.06
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Solution
The fourth proportional to 186,510.96, 257,385.18 and 101,628.06 is: 140,246.75
Step by Step Solution
- Step 1: Write the proportion equation
186,510.96 : 257,385.18 = 101,628.06 : x - Step 2: Convert to fraction form
186,510.96/257,385.18 = 101,628.06/x - Step 3: Cross multiply
186,510.96x = 257,385.18 × 101,628.06 - Step 4: Simplify right side
186,510.96x = 26,157,556,516.15 - Step 5: Solve for x
x = 26,157,556,516.15/186,510.96 - Step 6: Final answer
x = 140,246.75
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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.