Finding the Fourth Proportional to 422,326.36, 633,694.74 and 185,638.42
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Solution
The fourth proportional to 422,326.36, 633,694.74 and 185,638.42 is: 278,547.83
Step by Step Solution
- Step 1: Write the proportion equation
422,326.36 : 633,694.74 = 185,638.42 : x - Step 2: Convert to fraction form
422,326.36/633,694.74 = 185,638.42/x - Step 3: Cross multiply
422,326.36x = 633,694.74 × 185,638.42 - Step 4: Simplify right side
422,326.36x = 117,638,090,295.91 - Step 5: Solve for x
x = 117,638,090,295.91/422,326.36 - Step 6: Final answer
x = 278,547.83
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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.