Finding the Fourth Proportional to 145,972.68, 201,448.27 and 92,238.09
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Solution
The fourth proportional to 145,972.68, 201,448.27 and 92,238.09 is: 127,292.34
Step by Step Solution
- Step 1: Write the proportion equation
145,972.68 : 201,448.27 = 92,238.09 : x - Step 2: Convert to fraction form
145,972.68/201,448.27 = 92,238.09/x - Step 3: Cross multiply
145,972.68x = 201,448.27 × 92,238.09 - Step 4: Simplify right side
145,972.68x = 18,581,202,651.36 - Step 5: Solve for x
x = 18,581,202,651.36/145,972.68 - Step 6: Final answer
x = 127,292.34
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1.5x scale
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.