Finding the Fourth Proportional to 236,374.07, 326,200.84 and 128,948.09
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Solution
The fourth proportional to 236,374.07, 326,200.84 and 128,948.09 is: 177,950.88
Step by Step Solution
- Step 1: Write the proportion equation
236,374.07 : 326,200.84 = 128,948.09 : x - Step 2: Convert to fraction form
236,374.07/326,200.84 = 128,948.09/x - Step 3: Cross multiply
236,374.07x = 326,200.84 × 128,948.09 - Step 4: Simplify right side
236,374.07x = 42,062,973,321.02 - Step 5: Solve for x
x = 42,062,973,321.02/236,374.07 - Step 6: Final answer
x = 177,950.88
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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.