Finding the Fourth Proportional to 316,295.33, 436,474.71 and 189,041.09
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Solution
The fourth proportional to 316,295.33, 436,474.71 and 189,041.09 is: 260,869.03
Step by Step Solution
- Step 1: Write the proportion equation
316,295.33 : 436,474.71 = 189,041.09 : x - Step 2: Convert to fraction form
316,295.33/436,474.71 = 189,041.09/x - Step 3: Cross multiply
316,295.33x = 436,474.71 × 189,041.09 - Step 4: Simplify right side
316,295.33x = 82,511,654,935.83 - Step 5: Solve for x
x = 82,511,654,935.83/316,295.33 - Step 6: Final answer
x = 260,869.03
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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.