Finding the Fourth Proportional to 372,364.13, 513,863.52 and 202,598.26
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Solution
The fourth proportional to 372,364.13, 513,863.52 and 202,598.26 is: 279,586.15
Step by Step Solution
- Step 1: Write the proportion equation
372,364.13 : 513,863.52 = 202,598.26 : x - Step 2: Convert to fraction form
372,364.13/513,863.52 = 202,598.26/x - Step 3: Cross multiply
372,364.13x = 513,863.52 × 202,598.26 - Step 4: Simplify right side
372,364.13x = 104,107,855,029.48 - Step 5: Solve for x
x = 104,107,855,029.48/372,364.13 - Step 6: Final answer
x = 279,586.15
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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.