Finding the Fourth Proportional to 236,937.13, 355,405.69 and 70,725.13
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Solution
The fourth proportional to 236,937.13, 355,405.69 and 70,725.13 is: 106,087.69
Step by Step Solution
- Step 1: Write the proportion equation
236,937.13 : 355,405.69 = 70,725.13 : x - Step 2: Convert to fraction form
236,937.13/355,405.69 = 70,725.13/x - Step 3: Cross multiply
236,937.13x = 355,405.69 × 70,725.13 - Step 4: Simplify right side
236,937.13x = 25,136,113,627.99 - Step 5: Solve for x
x = 25,136,113,627.99/236,937.13 - Step 6: Final answer
x = 106,087.69
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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.