Finding the Fourth Proportional to 219,279.91, 302,602.99 and 122,485.11
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Solution
The fourth proportional to 219,279.91, 302,602.99 and 122,485.11 is: 169,027.62
Step by Step Solution
- Step 1: Write the proportion equation
219,279.91 : 302,602.99 = 122,485.11 : x - Step 2: Convert to fraction form
219,279.91/302,602.99 = 122,485.11/x - Step 3: Cross multiply
219,279.91x = 302,602.99 × 122,485.11 - Step 4: Simplify right side
219,279.91x = 37,064,361,007.31 - Step 5: Solve for x
x = 37,064,361,007.31/219,279.91 - Step 6: Final answer
x = 169,027.62
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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.