Finding the Fourth Proportional to 288,133.09, 397,675.71 and 171,854.02
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Solution
The fourth proportional to 288,133.09, 397,675.71 and 171,854.02 is: 237,189.59
Step by Step Solution
- Step 1: Write the proportion equation
288,133.09 : 397,675.71 = 171,854.02 : x - Step 2: Convert to fraction form
288,133.09/397,675.71 = 171,854.02/x - Step 3: Cross multiply
288,133.09x = 397,675.71 × 171,854.02 - Step 4: Simplify right side
288,133.09x = 68,342,169,419.85 - Step 5: Solve for x
x = 68,342,169,419.85/288,133.09 - Step 6: Final answer
x = 237,189.59
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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.