Finding the Fourth Proportional to 319,821.24, 441,353.21 and 183,881.78
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Solution
The fourth proportional to 319,821.24, 441,353.21 and 183,881.78 is: 253,756.80
Step by Step Solution
- Step 1: Write the proportion equation
319,821.24 : 441,353.21 = 183,881.78 : x - Step 2: Convert to fraction form
319,821.24/441,353.21 = 183,881.78/x - Step 3: Cross multiply
319,821.24x = 441,353.21 × 183,881.78 - Step 4: Simplify right side
319,821.24x = 81,156,813,863.51 - Step 5: Solve for x
x = 81,156,813,863.51/319,821.24 - Step 6: Final answer
x = 253,756.80
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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.