Finding the Fourth Proportional to 236,337.06, 326,148.99 and 128,907.07
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Solution
The fourth proportional to 236,337.06, 326,148.99 and 128,907.07 is: 177,893.86
Step by Step Solution
- Step 1: Write the proportion equation
236,337.06 : 326,148.99 = 128,907.07 : x - Step 2: Convert to fraction form
236,337.06/326,148.99 = 128,907.07/x - Step 3: Cross multiply
236,337.06x = 326,148.99 × 128,907.07 - Step 4: Simplify right side
236,337.06x = 42,042,910,684.36 - Step 5: Solve for x
x = 42,042,910,684.36/236,337.06 - Step 6: Final answer
x = 177,893.86
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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.