Finding the Fourth Proportional to 335,855.80, 503,783.70 and 292,115.80
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Solution
The fourth proportional to 335,855.80, 503,783.70 and 292,115.80 is: 438,173.70
Step by Step Solution
- Step 1: Write the proportion equation
335,855.80 : 503,783.70 = 292,115.80 : x - Step 2: Convert to fraction form
335,855.80/503,783.70 = 292,115.80/x - Step 3: Cross multiply
335,855.80x = 503,783.70 × 292,115.80 - Step 4: Simplify right side
335,855.80x = 147,163,178,552.46 - Step 5: Solve for x
x = 147,163,178,552.46/335,855.80 - Step 6: Final answer
x = 438,173.70
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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.