Finding the Fourth Proportional to 236,528.93, 355,270.91 and 141,938.75
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Solution
The fourth proportional to 236,528.93, 355,270.91 and 141,938.75 is: 213,194.67
Step by Step Solution
- Step 1: Write the proportion equation
236,528.93 : 355,270.91 = 141,938.75 : x - Step 2: Convert to fraction form
236,528.93/355,270.91 = 141,938.75/x - Step 3: Cross multiply
236,528.93x = 355,270.91 × 141,938.75 - Step 4: Simplify right side
236,528.93x = 50,426,706,390.71 - Step 5: Solve for x
x = 50,426,706,390.71/236,528.93 - Step 6: Final answer
x = 213,194.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.