Finding the Fourth Proportional to 197,029.08, 271,880.49 and 110,985.66
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Solution
The fourth proportional to 197,029.08, 271,880.49 and 110,985.66 is: 153,149.15
Step by Step Solution
- Step 1: Write the proportion equation
197,029.08 : 271,880.49 = 110,985.66 : x - Step 2: Convert to fraction form
197,029.08/271,880.49 = 110,985.66/x - Step 3: Cross multiply
197,029.08x = 271,880.49 × 110,985.66 - Step 4: Simplify right side
197,029.08x = 30,174,835,623.77 - Step 5: Solve for x
x = 30,174,835,623.77/197,029.08 - Step 6: Final answer
x = 153,149.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.