Finding the Fourth Proportional to 212,013.94, 292,582.65 and 121,369.54
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Solution
The fourth proportional to 212,013.94, 292,582.65 and 121,369.54 is: 167,491.92
Step by Step Solution
- Step 1: Write the proportion equation
212,013.94 : 292,582.65 = 121,369.54 : x - Step 2: Convert to fraction form
212,013.94/292,582.65 = 121,369.54/x - Step 3: Cross multiply
212,013.94x = 292,582.65 × 121,369.54 - Step 4: Simplify right side
212,013.94x = 35,510,621,642.48 - Step 5: Solve for x
x = 35,510,621,642.48/212,013.94 - Step 6: Final answer
x = 167,491.92
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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.