Finding the Fourth Proportional to 389,610.14, 537,751.51 and 228,517.09
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Solution
The fourth proportional to 389,610.14, 537,751.51 and 228,517.09 is: 315,406.08
Step by Step Solution
- Step 1: Write the proportion equation
389,610.14 : 537,751.51 = 228,517.09 : x - Step 2: Convert to fraction form
389,610.14/537,751.51 = 228,517.09/x - Step 3: Cross multiply
389,610.14x = 537,751.51 × 228,517.09 - Step 4: Simplify right side
389,610.14x = 122,885,408,292.63 - Step 5: Solve for x
x = 122,885,408,292.63/389,610.14 - Step 6: Final answer
x = 315,406.08
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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.