Finding the Fourth Proportional to 207,975.33, 286,873.74 and 136,359.99
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Solution
The fourth proportional to 207,975.33, 286,873.74 and 136,359.99 is: 188,090.10
Step by Step Solution
- Step 1: Write the proportion equation
207,975.33 : 286,873.74 = 136,359.99 : x - Step 2: Convert to fraction form
207,975.33/286,873.74 = 136,359.99/x - Step 3: Cross multiply
207,975.33x = 286,873.74 × 136,359.99 - Step 4: Simplify right side
207,975.33x = 39,118,100,317.66 - Step 5: Solve for x
x = 39,118,100,317.66/207,975.33 - Step 6: Final answer
x = 188,090.10
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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.