Finding the Fourth Proportional to 319,715.24, 441,207.07 and 176,475.31
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Solution
The fourth proportional to 319,715.24, 441,207.07 and 176,475.31 is: 243,535.95
Step by Step Solution
- Step 1: Write the proportion equation
319,715.24 : 441,207.07 = 176,475.31 : x - Step 2: Convert to fraction form
319,715.24/441,207.07 = 176,475.31/x - Step 3: Cross multiply
319,715.24x = 441,207.07 × 176,475.31 - Step 4: Simplify right side
319,715.24x = 77,862,152,908.24 - Step 5: Solve for x
x = 77,862,152,908.24/319,715.24 - Step 6: Final answer
x = 243,535.95
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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.