Finding the Fourth Proportional to 236,331.92, 326,119.56 and 128,895.68
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Solution
The fourth proportional to 236,331.92, 326,119.56 and 128,895.68 is: 177,865.95
Step by Step Solution
- Step 1: Write the proportion equation
236,331.92 : 326,119.56 = 128,895.68 : x - Step 2: Convert to fraction form
236,331.92/326,119.56 = 128,895.68/x - Step 3: Cross multiply
236,331.92x = 326,119.56 × 128,895.68 - Step 4: Simplify right side
236,331.92x = 42,035,402,447.50 - Step 5: Solve for x
x = 42,035,402,447.50/236,331.92 - Step 6: Final answer
x = 177,865.95
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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.