Finding the Fourth Proportional to 328,938.91, 493,605.18 and 302,170.03
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Solution
The fourth proportional to 328,938.91, 493,605.18 and 302,170.03 is: 453,435.84
Step by Step Solution
- Step 1: Write the proportion equation
328,938.91 : 493,605.18 = 302,170.03 : x - Step 2: Convert to fraction form
328,938.91/493,605.18 = 302,170.03/x - Step 3: Cross multiply
328,938.91x = 493,605.18 × 302,170.03 - Step 4: Simplify right side
328,938.91x = 149,152,690,814.74 - Step 5: Solve for x
x = 149,152,690,814.74/328,938.91 - Step 6: Final answer
x = 453,435.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.