Finding the Fourth Proportional to 328,677.60, 453,575.08 and 177,774.60
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Solution
The fourth proportional to 328,677.60, 453,575.08 and 177,774.60 is: 245,328.94
Step by Step Solution
- Step 1: Write the proportion equation
328,677.60 : 453,575.08 = 177,774.60 : x - Step 2: Convert to fraction form
328,677.60/453,575.08 = 177,774.60/x - Step 3: Cross multiply
328,677.60x = 453,575.08 × 177,774.60 - Step 4: Simplify right side
328,677.60x = 80,634,128,416.97 - Step 5: Solve for x
x = 80,634,128,416.97/328,677.60 - Step 6: Final answer
x = 245,328.94
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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.