Finding the Fourth Proportional to 235,477.11, 324,959.00 and 128,047.08
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Solution
The fourth proportional to 235,477.11, 324,959.00 and 128,047.08 is: 176,705.29
Step by Step Solution
- Step 1: Write the proportion equation
235,477.11 : 324,959.00 = 128,047.08 : x - Step 2: Convert to fraction form
235,477.11/324,959.00 = 128,047.08/x - Step 3: Cross multiply
235,477.11x = 324,959.00 × 128,047.08 - Step 4: Simplify right side
235,477.11x = 41,610,050,429.48 - Step 5: Solve for x
x = 41,610,050,429.48/235,477.11 - Step 6: Final answer
x = 176,705.29
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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.