Finding the Fourth Proportional to 303,290.88, 454,989.86 and 103,564.47
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Solution
The fourth proportional to 303,290.88, 454,989.86 and 103,564.47 is: 155,364.99
Step by Step Solution
- Step 1: Write the proportion equation
303,290.88 : 454,989.86 = 103,564.47 : x - Step 2: Convert to fraction form
303,290.88/454,989.86 = 103,564.47/x - Step 3: Cross multiply
303,290.88x = 454,989.86 × 103,564.47 - Step 4: Simplify right side
303,290.88x = 47,120,785,283.03 - Step 5: Solve for x
x = 47,120,785,283.03/303,290.88 - Step 6: Final answer
x = 155,364.99
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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.