Finding the Fourth Proportional to 343,955.07, 474,701.79 and 207,989.99
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Solution
The fourth proportional to 343,955.07, 474,701.79 and 207,989.99 is: 287,052.67
Step by Step Solution
- Step 1: Write the proportion equation
343,955.07 : 474,701.79 = 207,989.99 : x - Step 2: Convert to fraction form
343,955.07/474,701.79 = 207,989.99/x - Step 3: Cross multiply
343,955.07x = 474,701.79 × 207,989.99 - Step 4: Simplify right side
343,955.07x = 98,733,220,555.08 - Step 5: Solve for x
x = 98,733,220,555.08/343,955.07 - Step 6: Final answer
x = 287,052.67
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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.