Finding the Fourth Proportional to 216,677.95, 299,006.45 and 126,034.09
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Solution
The fourth proportional to 216,677.95, 299,006.45 and 126,034.09 is: 173,921.74
Step by Step Solution
- Step 1: Write the proportion equation
216,677.95 : 299,006.45 = 126,034.09 : x - Step 2: Convert to fraction form
216,677.95/299,006.45 = 126,034.09/x - Step 3: Cross multiply
216,677.95x = 299,006.45 × 126,034.09 - Step 4: Simplify right side
216,677.95x = 37,685,005,199.71 - Step 5: Solve for x
x = 37,685,005,199.71/216,677.95 - Step 6: Final answer
x = 173,921.74
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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.