Finding the Fourth Proportional to 197,675.15, 272,792.13 and 107,032.19
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Solution
The fourth proportional to 197,675.15, 272,792.13 and 107,032.19 is: 147,704.65
Step by Step Solution
- Step 1: Write the proportion equation
197,675.15 : 272,792.13 = 107,032.19 : x - Step 2: Convert to fraction form
197,675.15/272,792.13 = 107,032.19/x - Step 3: Cross multiply
197,675.15x = 272,792.13 × 107,032.19 - Step 4: Simplify right side
197,675.15x = 29,197,539,088.66 - Step 5: Solve for x
x = 29,197,539,088.66/197,675.15 - Step 6: Final answer
x = 147,704.65
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1.5x scale
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.