Finding the Fourth Proportional to 659,836.14, 910,573.84 and 358,030.14
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Solution
The fourth proportional to 659,836.14, 910,573.84 and 358,030.14 is: 494,081.58
Step by Step Solution
- Step 1: Write the proportion equation
659,836.14 : 910,573.84 = 358,030.14 : x - Step 2: Convert to fraction form
659,836.14/910,573.84 = 358,030.14/x - Step 3: Cross multiply
659,836.14x = 910,573.84 × 358,030.14 - Step 4: Simplify right side
659,836.14x = 326,012,879,415.54 - Step 5: Solve for x
x = 326,012,879,415.54/659,836.14 - Step 6: Final answer
x = 494,081.58
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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.