Finding the Fourth Proportional to 207,930.58, 286,945.91 and 114,799.31
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Solution
The fourth proportional to 207,930.58, 286,945.91 and 114,799.31 is: 158,423.99
Step by Step Solution
- Step 1: Write the proportion equation
207,930.58 : 286,945.91 = 114,799.31 : x - Step 2: Convert to fraction form
207,930.58/286,945.91 = 114,799.31/x - Step 3: Cross multiply
207,930.58x = 286,945.91 × 114,799.31 - Step 4: Simplify right side
207,930.58x = 32,941,192,475.32 - Step 5: Solve for x
x = 32,941,192,475.32/207,930.58 - Step 6: Final answer
x = 158,423.99
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1.5x scale
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.