Finding the Fourth Proportional to 408,878.24, 613,404.74 and 124,591.50
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Solution
The fourth proportional to 408,878.24, 613,404.74 and 124,591.50 is: 186,913.88
Step by Step Solution
- Step 1: Write the proportion equation
408,878.24 : 613,404.74 = 124,591.50 : x - Step 2: Convert to fraction form
408,878.24/613,404.74 = 124,591.50/x - Step 3: Cross multiply
408,878.24x = 613,404.74 × 124,591.50 - Step 4: Simplify right side
408,878.24x = 76,425,016,975.19 - Step 5: Solve for x
x = 76,425,016,975.19/408,878.24 - Step 6: Final answer
x = 186,913.88
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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.