Finding the Fourth Proportional to 236,394.08, 326,217.35 and 128,964.08
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Solution
The fourth proportional to 236,394.08, 326,217.35 and 128,964.08 is: 177,966.90
Step by Step Solution
- Step 1: Write the proportion equation
236,394.08 : 326,217.35 = 128,964.08 : x - Step 2: Convert to fraction form
236,394.08/326,217.35 = 128,964.08/x - Step 3: Cross multiply
236,394.08x = 326,217.35 × 128,964.08 - Step 4: Simplify right side
236,394.08x = 42,070,320,422.79 - Step 5: Solve for x
x = 42,070,320,422.79/236,394.08 - Step 6: Final answer
x = 177,966.90
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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.