Finding the Fourth Proportional to 183,935.19, 253,835.62 and 103,370.06
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Solution
The fourth proportional to 183,935.19, 253,835.62 and 103,370.06 is: 142,653.53
Step by Step Solution
- Step 1: Write the proportion equation
183,935.19 : 253,835.62 = 103,370.06 : x - Step 2: Convert to fraction form
183,935.19/253,835.62 = 103,370.06/x - Step 3: Cross multiply
183,935.19x = 253,835.62 × 103,370.06 - Step 4: Simplify right side
183,935.19x = 26,239,003,269.54 - Step 5: Solve for x
x = 26,239,003,269.54/183,935.19 - Step 6: Final answer
x = 142,653.53
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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.