Finding the Fourth Proportional to 421,696.05, 581,883.17 and 251,894.13
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Solution
The fourth proportional to 421,696.05, 581,883.17 and 251,894.13 is: 347,579.62
Step by Step Solution
- Step 1: Write the proportion equation
421,696.05 : 581,883.17 = 251,894.13 : x - Step 2: Convert to fraction form
421,696.05/581,883.17 = 251,894.13/x - Step 3: Cross multiply
421,696.05x = 581,883.17 × 251,894.13 - Step 4: Simplify right side
421,696.05x = 146,572,954,868.79 - Step 5: Solve for x
x = 146,572,954,868.79/421,696.05 - Step 6: Final answer
x = 347,579.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.