Finding the Fourth Proportional to 105,570.68, 158,366.07 and 29,669.09
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Solution
The fourth proportional to 105,570.68, 158,366.07 and 29,669.09 is: 44,506.45
Step by Step Solution
- Step 1: Write the proportion equation
105,570.68 : 158,366.07 = 29,669.09 : x - Step 2: Convert to fraction form
105,570.68/158,366.07 = 29,669.09/x - Step 3: Cross multiply
105,570.68x = 158,366.07 × 29,669.09 - Step 4: Simplify right side
105,570.68x = 4,698,576,391.95 - Step 5: Solve for x
x = 4,698,576,391.95/105,570.68 - Step 6: Final answer
x = 44,506.45
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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.