Finding the Fourth Proportional to 299,037.30, 412,671.55 and 163,067.75
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Solution
The fourth proportional to 299,037.30, 412,671.55 and 163,067.75 is: 225,033.54
Step by Step Solution
- Step 1: Write the proportion equation
299,037.30 : 412,671.55 = 163,067.75 : x - Step 2: Convert to fraction form
299,037.30/412,671.55 = 163,067.75/x - Step 3: Cross multiply
299,037.30x = 412,671.55 × 163,067.75 - Step 4: Simplify right side
299,037.30x = 67,293,421,147.51 - Step 5: Solve for x
x = 67,293,421,147.51/299,037.30 - Step 6: Final answer
x = 225,033.54
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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.