Finding the Fourth Proportional to 422,036.92, 633,117.96 and 122,519.98
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Solution
The fourth proportional to 422,036.92, 633,117.96 and 122,519.98 is: 183,798.14
Step by Step Solution
- Step 1: Write the proportion equation
422,036.92 : 633,117.96 = 122,519.98 : x - Step 2: Convert to fraction form
422,036.92/633,117.96 = 122,519.98/x - Step 3: Cross multiply
422,036.92x = 633,117.96 × 122,519.98 - Step 4: Simplify right side
422,036.92x = 77,569,599,184.24 - Step 5: Solve for x
x = 77,569,599,184.24/422,036.92 - Step 6: Final answer
x = 183,798.14
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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.