Finding the Fourth Proportional to 105,391.41, 158,149.35 and 38,877.99
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Solution
The fourth proportional to 105,391.41, 158,149.35 and 38,877.99 is: 58,339.94
Step by Step Solution
- Step 1: Write the proportion equation
105,391.41 : 158,149.35 = 38,877.99 : x - Step 2: Convert to fraction form
105,391.41/158,149.35 = 38,877.99/x - Step 3: Cross multiply
105,391.41x = 158,149.35 × 38,877.99 - Step 4: Simplify right side
105,391.41x = 6,148,528,847.81 - Step 5: Solve for x
x = 6,148,528,847.81/105,391.41 - Step 6: Final answer
x = 58,339.94
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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.