Finding the Fourth Proportional to 105,768.36, 158,694.08 and 46,562.49
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Solution
The fourth proportional to 105,768.36, 158,694.08 and 46,562.49 is: 69,862.02
Step by Step Solution
- Step 1: Write the proportion equation
105,768.36 : 158,694.08 = 46,562.49 : x - Step 2: Convert to fraction form
105,768.36/158,694.08 = 46,562.49/x - Step 3: Cross multiply
105,768.36x = 158,694.08 × 46,562.49 - Step 4: Simplify right side
105,768.36x = 7,389,191,280.25 - Step 5: Solve for x
x = 7,389,191,280.25/105,768.36 - Step 6: Final answer
x = 69,862.02
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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.