Finding the Fourth Proportional to 208,848.27, 288,197.49 and 118,222.63
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Solution
The fourth proportional to 208,848.27, 288,197.49 and 118,222.63 is: 163,139.80
Step by Step Solution
- Step 1: Write the proportion equation
208,848.27 : 288,197.49 = 118,222.63 : x - Step 2: Convert to fraction form
208,848.27/288,197.49 = 118,222.63/x - Step 3: Cross multiply
208,848.27x = 288,197.49 × 118,222.63 - Step 4: Simplify right side
208,848.27x = 34,071,465,227.20 - Step 5: Solve for x
x = 34,071,465,227.20/208,848.27 - Step 6: Final answer
x = 163,139.80
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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.