Finding the Fourth Proportional to 236,335.92, 326,125.08 and 128,899.68
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Solution
The fourth proportional to 236,335.92, 326,125.08 and 128,899.68 is: 177,871.47
Step by Step Solution
- Step 1: Write the proportion equation
236,335.92 : 326,125.08 = 128,899.68 : x - Step 2: Convert to fraction form
236,335.92/326,125.08 = 128,899.68/x - Step 3: Cross multiply
236,335.92x = 326,125.08 × 128,899.68 - Step 4: Simplify right side
236,335.92x = 42,037,418,451.97 - Step 5: Solve for x
x = 42,037,418,451.97/236,335.92 - Step 6: Final answer
x = 177,871.47
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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.