Finding the Fourth Proportional to 367,603.70, 551,405.55 and 274,291.70
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Solution
The fourth proportional to 367,603.70, 551,405.55 and 274,291.70 is: 411,437.55
Step by Step Solution
- Step 1: Write the proportion equation
367,603.70 : 551,405.55 = 274,291.70 : x - Step 2: Convert to fraction form
367,603.70/551,405.55 = 274,291.70/x - Step 3: Cross multiply
367,603.70x = 551,405.55 × 274,291.70 - Step 4: Simplify right side
367,603.70x = 151,245,965,698.94 - Step 5: Solve for x
x = 151,245,965,698.94/367,603.70 - Step 6: Final answer
x = 411,437.55
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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.