Finding the Fourth Proportional to 328,508.79, 453,342.72 and 177,605.79
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Solution
The fourth proportional to 328,508.79, 453,342.72 and 177,605.79 is: 245,096.31
Step by Step Solution
- Step 1: Write the proportion equation
328,508.79 : 453,342.72 = 177,605.79 : x - Step 2: Convert to fraction form
328,508.79/453,342.72 = 177,605.79/x - Step 3: Cross multiply
328,508.79x = 453,342.72 × 177,605.79 - Step 4: Simplify right side
328,508.79x = 80,516,291,926.35 - Step 5: Solve for x
x = 80,516,291,926.35/328,508.79 - Step 6: Final answer
x = 245,096.31
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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.