Finding the Fourth Proportional to 217,930.74, 300,623.00 and 202,518.26
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Solution
The fourth proportional to 217,930.74, 300,623.00 and 202,518.26 is: 279,362.36
Step by Step Solution
- Step 1: Write the proportion equation
217,930.74 : 300,623.00 = 202,518.26 : x - Step 2: Convert to fraction form
217,930.74/300,623.00 = 202,518.26/x - Step 3: Cross multiply
217,930.74x = 300,623.00 × 202,518.26 - Step 4: Simplify right side
217,930.74x = 60,881,646,614.95 - Step 5: Solve for x
x = 60,881,646,614.95/217,930.74 - Step 6: Final answer
x = 279,362.36
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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.