Finding the Fourth Proportional to 236,395.62, 326,219.49 and 128,965.62
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Solution
The fourth proportional to 236,395.62, 326,219.49 and 128,965.62 is: 177,969.03
Step by Step Solution
- Step 1: Write the proportion equation
236,395.62 : 326,219.49 = 128,965.62 : x - Step 2: Convert to fraction form
236,395.62/326,219.49 = 128,965.62/x - Step 3: Cross multiply
236,395.62x = 326,219.49 × 128,965.62 - Step 4: Simplify right side
236,395.62x = 42,071,098,783.93 - Step 5: Solve for x
x = 42,071,098,783.93/236,395.62 - Step 6: Final answer
x = 177,969.03
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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.