Finding the Fourth Proportional to 322,912.20, 484,368.30 and 283,513.80
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Solution
The fourth proportional to 322,912.20, 484,368.30 and 283,513.80 is: 425,270.70
Step by Step Solution
- Step 1: Write the proportion equation
322,912.20 : 484,368.30 = 283,513.80 : x - Step 2: Convert to fraction form
322,912.20/484,368.30 = 283,513.80/x - Step 3: Cross multiply
322,912.20x = 484,368.30 × 283,513.80 - Step 4: Simplify right side
322,912.20x = 137,325,097,332.54 - Step 5: Solve for x
x = 137,325,097,332.54/322,912.20 - Step 6: Final answer
x = 425,270.70
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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.