Finding the Fourth Proportional to 551,126.14, 826,729.31 and 230,956.63
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Solution
The fourth proportional to 551,126.14, 826,729.31 and 230,956.63 is: 346,451.75
Step by Step Solution
- Step 1: Write the proportion equation
551,126.14 : 826,729.31 = 230,956.63 : x - Step 2: Convert to fraction form
551,126.14/826,729.31 = 230,956.63/x - Step 3: Cross multiply
551,126.14x = 826,729.31 × 230,956.63 - Step 4: Simplify right side
551,126.14x = 190,938,614,205.04 - Step 5: Solve for x
x = 190,938,614,205.04/551,126.14 - Step 6: Final answer
x = 346,451.75
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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.