Finding the Fourth Proportional to 328,439.67, 453,246.52 and 177,536.67
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Solution
The fourth proportional to 328,439.67, 453,246.52 and 177,536.67 is: 245,000.48
Step by Step Solution
- Step 1: Write the proportion equation
328,439.67 : 453,246.52 = 177,536.67 : x - Step 2: Convert to fraction form
328,439.67/453,246.52 = 177,536.67/x - Step 3: Cross multiply
328,439.67x = 453,246.52 × 177,536.67 - Step 4: Simplify right side
328,439.67x = 80,467,877,849.89 - Step 5: Solve for x
x = 80,467,877,849.89/328,439.67 - Step 6: Final answer
x = 245,000.48
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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.