Finding the Fourth Proportional to 235,669.23, 325,216.08 and 128,236.50
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Solution
The fourth proportional to 235,669.23, 325,216.08 and 128,236.50 is: 176,962.31
Step by Step Solution
- Step 1: Write the proportion equation
235,669.23 : 325,216.08 = 128,236.50 : x - Step 2: Convert to fraction form
235,669.23/325,216.08 = 128,236.50/x - Step 3: Cross multiply
235,669.23x = 325,216.08 × 128,236.50 - Step 4: Simplify right side
235,669.23x = 41,704,571,842.92 - Step 5: Solve for x
x = 41,704,571,842.92/235,669.23 - Step 6: Final answer
x = 176,962.31
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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.