Finding the Fourth Proportional to 186,319.23, 257,118.91 and 101,436.09
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Solution
The fourth proportional to 186,319.23, 257,118.91 and 101,436.09 is: 139,980.92
Step by Step Solution
- Step 1: Write the proportion equation
186,319.23 : 257,118.91 = 101,436.09 : x - Step 2: Convert to fraction form
186,319.23/257,118.91 = 101,436.09/x - Step 3: Cross multiply
186,319.23x = 257,118.91 × 101,436.09 - Step 4: Simplify right side
186,319.23x = 26,081,136,895.46 - Step 5: Solve for x
x = 26,081,136,895.46/186,319.23 - Step 6: Final answer
x = 139,980.92
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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.