Finding the Fourth Proportional to 236,866.92, 326,862.57 and 129,437.83
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Solution
The fourth proportional to 236,866.92, 326,862.57 and 129,437.83 is: 178,616.68
Step by Step Solution
- Step 1: Write the proportion equation
236,866.92 : 326,862.57 = 129,437.83 : x - Step 2: Convert to fraction form
236,866.92/326,862.57 = 129,437.83/x - Step 3: Cross multiply
236,866.92x = 326,862.57 × 129,437.83 - Step 4: Simplify right side
236,866.92x = 42,308,381,769.02 - Step 5: Solve for x
x = 42,308,381,769.02/236,866.92 - Step 6: Final answer
x = 178,616.68
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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.