Finding the Fourth Proportional to 257,342.97, 355,267.71 and 199,853.31
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Solution
The fourth proportional to 257,342.97, 355,267.71 and 199,853.31 is: 275,901.95
Step by Step Solution
- Step 1: Write the proportion equation
257,342.97 : 355,267.71 = 199,853.31 : x - Step 2: Convert to fraction form
257,342.97/355,267.71 = 199,853.31/x - Step 3: Cross multiply
257,342.97x = 355,267.71 × 199,853.31 - Step 4: Simplify right side
257,342.97x = 71,001,427,779.62 - Step 5: Solve for x
x = 71,001,427,779.62/257,342.97 - Step 6: Final answer
x = 275,901.95
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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.