Finding the Fourth Proportional to 455,055.80, 682,583.70 and 202,335.80
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Solution
The fourth proportional to 455,055.80, 682,583.70 and 202,335.80 is: 303,503.70
Step by Step Solution
- Step 1: Write the proportion equation
455,055.80 : 682,583.70 = 202,335.80 : x - Step 2: Convert to fraction form
455,055.80/682,583.70 = 202,335.80/x - Step 3: Cross multiply
455,055.80x = 682,583.70 × 202,335.80 - Step 4: Simplify right side
455,055.80x = 138,111,119,006.46 - Step 5: Solve for x
x = 138,111,119,006.46/455,055.80 - Step 6: Final answer
x = 303,503.70
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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.