Finding the Fourth Proportional to 216,400.01, 298,670.09 and 125,784.09
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Solution
The fourth proportional to 216,400.01, 298,670.09 and 125,784.09 is: 173,604.18
Step by Step Solution
- Step 1: Write the proportion equation
216,400.01 : 298,670.09 = 125,784.09 : x - Step 2: Convert to fraction form
216,400.01/298,670.09 = 125,784.09/x - Step 3: Cross multiply
216,400.01x = 298,670.09 × 125,784.09 - Step 4: Simplify right side
216,400.01x = 37,567,944,851.95 - Step 5: Solve for x
x = 37,567,944,851.95/216,400.01 - Step 6: Final answer
x = 173,604.18
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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.