Finding the Fourth Proportional to 371,416.92, 512,555.34 and 201,651.06
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Solution
The fourth proportional to 371,416.92, 512,555.34 and 201,651.06 is: 278,278.46
Step by Step Solution
- Step 1: Write the proportion equation
371,416.92 : 512,555.34 = 201,651.06 : x - Step 2: Convert to fraction form
371,416.92/512,555.34 = 201,651.06/x - Step 3: Cross multiply
371,416.92x = 512,555.34 × 201,651.06 - Step 4: Simplify right side
371,416.92x = 103,357,327,619.66 - Step 5: Solve for x
x = 103,357,327,619.66/371,416.92 - Step 6: Final answer
x = 278,278.46
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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.