Finding the Fourth Proportional to 491,778.95, 737,603.83 and 154,821.36
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Solution
The fourth proportional to 491,778.95, 737,603.83 and 154,821.36 is: 232,211.70
Step by Step Solution
- Step 1: Write the proportion equation
491,778.95 : 737,603.83 = 154,821.36 : x - Step 2: Convert to fraction form
491,778.95/737,603.83 = 154,821.36/x - Step 3: Cross multiply
491,778.95x = 737,603.83 × 154,821.36 - Step 4: Simplify right side
491,778.95x = 114,196,828,101.81 - Step 5: Solve for x
x = 114,196,828,101.81/491,778.95 - Step 6: Final answer
x = 232,211.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.