Finding the Fourth Proportional to 370,603.80, 555,905.70 and 252,505.80
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Solution
The fourth proportional to 370,603.80, 555,905.70 and 252,505.80 is: 378,758.70
Step by Step Solution
- Step 1: Write the proportion equation
370,603.80 : 555,905.70 = 252,505.80 : x - Step 2: Convert to fraction form
370,603.80/555,905.70 = 252,505.80/x - Step 3: Cross multiply
370,603.80x = 555,905.70 × 252,505.80 - Step 4: Simplify right side
370,603.80x = 140,369,413,503.06 - Step 5: Solve for x
x = 140,369,413,503.06/370,603.80 - Step 6: Final answer
x = 378,758.70
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1.5x scale
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.