Finding the Fourth Proportional to 98,455.77, 147,676.53 and 38,472.99
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Solution
The fourth proportional to 98,455.77, 147,676.53 and 38,472.99 is: 57,706.70
Step by Step Solution
- Step 1: Write the proportion equation
98,455.77 : 147,676.53 = 38,472.99 : x - Step 2: Convert to fraction form
98,455.77/147,676.53 = 38,472.99/x - Step 3: Cross multiply
98,455.77x = 147,676.53 × 38,472.99 - Step 4: Simplify right side
98,455.77x = 5,681,557,661.92 - Step 5: Solve for x
x = 5,681,557,661.92/98,455.77 - Step 6: Final answer
x = 57,706.70
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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.