Finding the Fourth Proportional to 286,737.74, 395,654.73 and 164,211.06
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Solution
The fourth proportional to 286,737.74, 395,654.73 and 164,211.06 is: 226,586.44
Step by Step Solution
- Step 1: Write the proportion equation
286,737.74 : 395,654.73 = 164,211.06 : x - Step 2: Convert to fraction form
286,737.74/395,654.73 = 164,211.06/x - Step 3: Cross multiply
286,737.74x = 395,654.73 × 164,211.06 - Step 4: Simplify right side
286,737.74x = 64,970,882,607.31 - Step 5: Solve for x
x = 64,970,882,607.31/286,737.74 - Step 6: Final answer
x = 226,586.44
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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.