Finding the Fourth Proportional to 236,341.14, 326,151.79 and 128,913.48
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Solution
The fourth proportional to 236,341.14, 326,151.79 and 128,913.48 is: 177,901.16
Step by Step Solution
- Step 1: Write the proportion equation
236,341.14 : 326,151.79 = 128,913.48 : x - Step 2: Convert to fraction form
236,341.14/326,151.79 = 128,913.48/x - Step 3: Cross multiply
236,341.14x = 326,151.79 × 128,913.48 - Step 4: Simplify right side
236,341.14x = 42,045,362,257.13 - Step 5: Solve for x
x = 42,045,362,257.13/236,341.14 - Step 6: Final answer
x = 177,901.16
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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.