Finding the Fourth Proportional to 105,376.41, 158,126.85 and 38,862.99
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Solution
The fourth proportional to 105,376.41, 158,126.85 and 38,862.99 is: 58,317.44
Step by Step Solution
- Step 1: Write the proportion equation
105,376.41 : 158,126.85 = 38,862.99 : x - Step 2: Convert to fraction form
105,376.41/158,126.85 = 38,862.99/x - Step 3: Cross multiply
105,376.41x = 158,126.85 × 38,862.99 - Step 4: Simplify right side
105,376.41x = 6,145,282,190.28 - Step 5: Solve for x
x = 6,145,282,190.28/105,376.41 - Step 6: Final answer
x = 58,317.44
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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.