Finding the Fourth Proportional to 115,813.79, 173,718.86 and 36,927.49
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Solution
The fourth proportional to 115,813.79, 173,718.86 and 36,927.49 is: 55,390.65
Step by Step Solution
- Step 1: Write the proportion equation
115,813.79 : 173,718.86 = 36,927.49 : x - Step 2: Convert to fraction form
115,813.79/173,718.86 = 36,927.49/x - Step 3: Cross multiply
115,813.79x = 173,718.86 × 36,927.49 - Step 4: Simplify right side
115,813.79x = 6,415,001,465.46 - Step 5: Solve for x
x = 6,415,001,465.46/115,813.79 - Step 6: Final answer
x = 55,390.65
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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.