Finding the Fourth Proportional to 248,565.66, 343,032.75 and 141,133.74
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Solution
The fourth proportional to 248,565.66, 343,032.75 and 141,133.74 is: 194,771.45
Step by Step Solution
- Step 1: Write the proportion equation
248,565.66 : 343,032.75 = 141,133.74 : x - Step 2: Convert to fraction form
248,565.66/343,032.75 = 141,133.74/x - Step 3: Cross multiply
248,565.66x = 343,032.75 × 141,133.74 - Step 4: Simplify right side
248,565.66x = 48,413,494,949.99 - Step 5: Solve for x
x = 48,413,494,949.99/248,565.66 - Step 6: Final answer
x = 194,771.45
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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.