Finding the Fourth Proportional to 236,937.45, 355,353.69 and 68,421.09
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Solution
The fourth proportional to 236,937.45, 355,353.69 and 68,421.09 is: 102,616.48
Step by Step Solution
- Step 1: Write the proportion equation
236,937.45 : 355,353.69 = 68,421.09 : x - Step 2: Convert to fraction form
236,937.45/355,353.69 = 68,421.09/x - Step 3: Cross multiply
236,937.45x = 355,353.69 × 68,421.09 - Step 4: Simplify right side
236,937.45x = 24,313,686,805.32 - Step 5: Solve for x
x = 24,313,686,805.32/236,937.45 - Step 6: Final answer
x = 102,616.48
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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.