Finding the Fourth Proportional to 298,093.52, 411,160.80 and 202,434.08
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Solution
The fourth proportional to 298,093.52, 411,160.80 and 202,434.08 is: 279,217.60
Step by Step Solution
- Step 1: Write the proportion equation
298,093.52 : 411,160.80 = 202,434.08 : x - Step 2: Convert to fraction form
298,093.52/411,160.80 = 202,434.08/x - Step 3: Cross multiply
298,093.52x = 411,160.80 × 202,434.08 - Step 4: Simplify right side
298,093.52x = 83,232,958,280.06 - Step 5: Solve for x
x = 83,232,958,280.06/298,093.52 - Step 6: Final answer
x = 279,217.60
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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.