Finding the Fourth Proportional to 367,485.80, 551,228.70 and 320,829.80
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Solution
The fourth proportional to 367,485.80, 551,228.70 and 320,829.80 is: 481,244.70
Step by Step Solution
- Step 1: Write the proportion equation
367,485.80 : 551,228.70 = 320,829.80 : x - Step 2: Convert to fraction form
367,485.80/551,228.70 = 320,829.80/x - Step 3: Cross multiply
367,485.80x = 551,228.70 × 320,829.80 - Step 4: Simplify right side
367,485.80x = 176,850,593,575.26 - Step 5: Solve for x
x = 176,850,593,575.26/367,485.80 - Step 6: Final answer
x = 481,244.70
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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.