Finding the Fourth Proportional to 210,392.62, 315,588.98 and 52,621.09
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Solution
The fourth proportional to 210,392.62, 315,588.98 and 52,621.09 is: 78,931.65
Step by Step Solution
- Step 1: Write the proportion equation
210,392.62 : 315,588.98 = 52,621.09 : x - Step 2: Convert to fraction form
210,392.62/315,588.98 = 52,621.09/x - Step 3: Cross multiply
210,392.62x = 315,588.98 × 52,621.09 - Step 4: Simplify right side
210,392.62x = 16,606,635,856.48 - Step 5: Solve for x
x = 16,606,635,856.48/210,392.62 - Step 6: Final answer
x = 78,931.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.