Finding the Fourth Proportional to 263,283.66, 363,216.08 and 154,332.79
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Solution
The fourth proportional to 263,283.66, 363,216.08 and 154,332.79 is: 212,911.62
Step by Step Solution
- Step 1: Write the proportion equation
263,283.66 : 363,216.08 = 154,332.79 : x - Step 2: Convert to fraction form
263,283.66/363,216.08 = 154,332.79/x - Step 3: Cross multiply
263,283.66x = 363,216.08 × 154,332.79 - Step 4: Simplify right side
263,283.66x = 56,056,150,477.06 - Step 5: Solve for x
x = 56,056,150,477.06/263,283.66 - Step 6: Final answer
x = 212,911.62
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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.