Finding the Fourth Proportional to 250,077.57, 344,379.99 and 217,357.62
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Solution
The fourth proportional to 250,077.57, 344,379.99 and 217,357.62 is: 299,321.59
Step by Step Solution
- Step 1: Write the proportion equation
250,077.57 : 344,379.99 = 217,357.62 : x - Step 2: Convert to fraction form
250,077.57/344,379.99 = 217,357.62/x - Step 3: Cross multiply
250,077.57x = 344,379.99 × 217,357.62 - Step 4: Simplify right side
250,077.57x = 74,853,615,002.02 - Step 5: Solve for x
x = 74,853,615,002.02/250,077.57 - Step 6: Final answer
x = 299,321.59
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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.