Finding the Fourth Proportional to 236,090.08, 325,794.80 and 128,657.80
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Solution
The fourth proportional to 236,090.08, 325,794.80 and 128,657.80 is: 177,542.58
Step by Step Solution
- Step 1: Write the proportion equation
236,090.08 : 325,794.80 = 128,657.80 : x - Step 2: Convert to fraction form
236,090.08/325,794.80 = 128,657.80/x - Step 3: Cross multiply
236,090.08x = 325,794.80 × 128,657.80 - Step 4: Simplify right side
236,090.08x = 41,916,042,219.44 - Step 5: Solve for x
x = 41,916,042,219.44/236,090.08 - Step 6: Final answer
x = 177,542.58
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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.