Finding the Fourth Proportional to 869,158.70, 1,302,960.45 and 336,502.70
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Solution
The fourth proportional to 869,158.70, 1,302,960.45 and 336,502.70 is: 504,453.00
Step by Step Solution
- Step 1: Write the proportion equation
869,158.70 : 1,302,960.45 = 336,502.70 : x - Step 2: Convert to fraction form
869,158.70/1,302,960.45 = 336,502.70/x - Step 3: Cross multiply
869,158.70x = 1,302,960.45 × 336,502.70 - Step 4: Simplify right side
869,158.70x = 438,449,709,418.22 - Step 5: Solve for x
x = 438,449,709,418.22/869,158.70 - Step 6: Final answer
x = 504,453.00
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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.