Finding the Fourth Proportional to 783,143.29, 1,174,861.95 and 250,521.31
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Solution
The fourth proportional to 783,143.29, 1,174,861.95 and 250,521.31 is: 375,828.99
Step by Step Solution
- Step 1: Write the proportion equation
783,143.29 : 1,174,861.95 = 250,521.31 : x - Step 2: Convert to fraction form
783,143.29/1,174,861.95 = 250,521.31/x - Step 3: Cross multiply
783,143.29x = 1,174,861.95 × 250,521.31 - Step 4: Simplify right side
783,143.29x = 294,327,954,783.16 - Step 5: Solve for x
x = 294,327,954,783.16/783,143.29 - Step 6: Final answer
x = 375,828.99
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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.