Finding the Fourth Proportional to 487,907.10, 731,860.65 and 251,711.10
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Solution
The fourth proportional to 487,907.10, 731,860.65 and 251,711.10 is: 377,566.65
Step by Step Solution
- Step 1: Write the proportion equation
487,907.10 : 731,860.65 = 251,711.10 : x - Step 2: Convert to fraction form
487,907.10/731,860.65 = 251,711.10/x - Step 3: Cross multiply
487,907.10x = 731,860.65 × 251,711.10 - Step 4: Simplify right side
487,907.10x = 184,217,449,258.22 - Step 5: Solve for x
x = 184,217,449,258.22/487,907.10 - Step 6: Final answer
x = 377,566.65
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Similar ratio
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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.