Finding the Fourth Proportional to 297,279.78, 445,863.61 and 84,045.99
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Solution
The fourth proportional to 297,279.78, 445,863.61 and 84,045.99 is: 126,053.14
Step by Step Solution
- Step 1: Write the proportion equation
297,279.78 : 445,863.61 = 84,045.99 : x - Step 2: Convert to fraction form
297,279.78/445,863.61 = 84,045.99/x - Step 3: Cross multiply
297,279.78x = 445,863.61 × 84,045.99 - Step 4: Simplify right side
297,279.78x = 37,473,049,811.71 - Step 5: Solve for x
x = 37,473,049,811.71/297,279.78 - Step 6: Final answer
x = 126,053.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.