Finding the Fourth Proportional to 306,837.53, 423,217.68 and 204,811.55
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Solution
The fourth proportional to 306,837.53, 423,217.68 and 204,811.55 is: 282,494.35
Step by Step Solution
- Step 1: Write the proportion equation
306,837.53 : 423,217.68 = 204,811.55 : x - Step 2: Convert to fraction form
306,837.53/423,217.68 = 204,811.55/x - Step 3: Cross multiply
306,837.53x = 423,217.68 × 204,811.55 - Step 4: Simplify right side
306,837.53x = 86,679,869,847.23 - Step 5: Solve for x
x = 86,679,869,847.23/306,837.53 - Step 6: Final answer
x = 282,494.35
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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.