Finding the Fourth Proportional to 145,374.99, 200,588.09 and 84,933.96
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Solution
The fourth proportional to 145,374.99, 200,588.09 and 84,933.96 is: 117,191.69
Step by Step Solution
- Step 1: Write the proportion equation
145,374.99 : 200,588.09 = 84,933.96 : x - Step 2: Convert to fraction form
145,374.99/200,588.09 = 84,933.96/x - Step 3: Cross multiply
145,374.99x = 200,588.09 × 84,933.96 - Step 4: Simplify right side
145,374.99x = 17,036,740,387.87 - Step 5: Solve for x
x = 17,036,740,387.87/145,374.99 - Step 6: Final answer
x = 117,191.69
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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.