Finding the Fourth Proportional to 159,060.82, 219,508.16 and 86,468.62
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Solution
The fourth proportional to 159,060.82, 219,508.16 and 86,468.62 is: 119,328.99
Step by Step Solution
- Step 1: Write the proportion equation
159,060.82 : 219,508.16 = 86,468.62 : x - Step 2: Convert to fraction form
159,060.82/219,508.16 = 86,468.62/x - Step 3: Cross multiply
159,060.82x = 219,508.16 × 86,468.62 - Step 4: Simplify right side
159,060.82x = 18,980,567,673.94 - Step 5: Solve for x
x = 18,980,567,673.94/159,060.82 - Step 6: Final answer
x = 119,328.99
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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.