Finding the Fourth Proportional to 216,389.36, 298,566.12 and 125,691.44
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Solution
The fourth proportional to 216,389.36, 298,566.12 and 125,691.44 is: 173,424.45
Step by Step Solution
- Step 1: Write the proportion equation
216,389.36 : 298,566.12 = 125,691.44 : x - Step 2: Convert to fraction form
216,389.36/298,566.12 = 125,691.44/x - Step 3: Cross multiply
216,389.36x = 298,566.12 × 125,691.44 - Step 4: Simplify right side
216,389.36x = 37,527,205,558.01 - Step 5: Solve for x
x = 37,527,205,558.01/216,389.36 - Step 6: Final answer
x = 173,424.45
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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.