Finding the Fourth Proportional to 631,299.84, 946,953.36 and 210,574.48
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Solution
The fourth proportional to 631,299.84, 946,953.36 and 210,574.48 is: 315,862.92
Step by Step Solution
- Step 1: Write the proportion equation
631,299.84 : 946,953.36 = 210,574.48 : x - Step 2: Convert to fraction form
631,299.84/946,953.36 = 210,574.48/x - Step 3: Cross multiply
631,299.84x = 946,953.36 × 210,574.48 - Step 4: Simplify right side
631,299.84x = 199,404,211,366.25 - Step 5: Solve for x
x = 199,404,211,366.25/631,299.84 - Step 6: Final answer
x = 315,862.92
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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.