Finding the Fourth Proportional to 405,286.26, 559,277.64 and 223,988.82
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Solution
The fourth proportional to 405,286.26, 559,277.64 and 223,988.82 is: 309,094.96
Step by Step Solution
- Step 1: Write the proportion equation
405,286.26 : 559,277.64 = 223,988.82 : x - Step 2: Convert to fraction form
405,286.26/559,277.64 = 223,988.82/x - Step 3: Cross multiply
405,286.26x = 559,277.64 × 223,988.82 - Step 4: Simplify right side
405,286.26x = 125,271,938,635.99 - Step 5: Solve for x
x = 125,271,938,635.99/405,286.26 - Step 6: Final answer
x = 309,094.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.