Finding the Fourth Proportional to 328,652.76, 453,540.80 and 177,749.76
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Solution
The fourth proportional to 328,652.76, 453,540.80 and 177,749.76 is: 245,294.66
Step by Step Solution
- Step 1: Write the proportion equation
328,652.76 : 453,540.80 = 177,749.76 : x - Step 2: Convert to fraction form
328,652.76/453,540.80 = 177,749.76/x - Step 3: Cross multiply
328,652.76x = 453,540.80 × 177,749.76 - Step 4: Simplify right side
328,652.76x = 80,616,768,350.21 - Step 5: Solve for x
x = 80,616,768,350.21/328,652.76 - Step 6: Final answer
x = 245,294.66
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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.