Finding the Fourth Proportional to 216,298.08, 324,336.36 and 115,153.59
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Solution
The fourth proportional to 216,298.08, 324,336.36 and 115,153.59 is: 172,671.42
Step by Step Solution
- Step 1: Write the proportion equation
216,298.08 : 324,336.36 = 115,153.59 : x - Step 2: Convert to fraction form
216,298.08/324,336.36 = 115,153.59/x - Step 3: Cross multiply
216,298.08x = 324,336.36 × 115,153.59 - Step 4: Simplify right side
216,298.08x = 37,348,496,221.53 - Step 5: Solve for x
x = 37,348,496,221.53/216,298.08 - Step 6: Final answer
x = 172,671.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.