Finding the Fourth Proportional to 190,893.61, 263,564.99 and 119,305.81
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Solution
The fourth proportional to 190,893.61, 263,564.99 and 119,305.81 is: 164,724.40
Step by Step Solution
- Step 1: Write the proportion equation
190,893.61 : 263,564.99 = 119,305.81 : x - Step 2: Convert to fraction form
190,893.61/263,564.99 = 119,305.81/x - Step 3: Cross multiply
190,893.61x = 263,564.99 × 119,305.81 - Step 4: Simplify right side
190,893.61x = 31,444,834,619.59 - Step 5: Solve for x
x = 31,444,834,619.59/190,893.61 - Step 6: Final answer
x = 164,724.40
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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.