Finding the Fourth Proportional to 250,624.74, 345,830.18 and 143,201.73
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Solution
The fourth proportional to 250,624.74, 345,830.18 and 143,201.73 is: 197,600.12
Step by Step Solution
- Step 1: Write the proportion equation
250,624.74 : 345,830.18 = 143,201.73 : x - Step 2: Convert to fraction form
250,624.74/345,830.18 = 143,201.73/x - Step 3: Cross multiply
250,624.74x = 345,830.18 × 143,201.73 - Step 4: Simplify right side
250,624.74x = 49,523,479,346.20 - Step 5: Solve for x
x = 49,523,479,346.20/250,624.74 - Step 6: Final answer
x = 197,600.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.