Finding the Fourth Proportional to 186,556.58, 257,448.93 and 105,988.53
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Solution
The fourth proportional to 186,556.58, 257,448.93 and 105,988.53 is: 146,264.65
Step by Step Solution
- Step 1: Write the proportion equation
186,556.58 : 257,448.93 = 105,988.53 : x - Step 2: Convert to fraction form
186,556.58/257,448.93 = 105,988.53/x - Step 3: Cross multiply
186,556.58x = 257,448.93 × 105,988.53 - Step 4: Simplify right side
186,556.58x = 27,286,632,632.71 - Step 5: Solve for x
x = 27,286,632,632.71/186,556.58 - Step 6: Final answer
x = 146,264.65
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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.