Finding the Fourth Proportional to 274,195.68, 378,387.38 and 153,335.56
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Solution
The fourth proportional to 274,195.68, 378,387.38 and 153,335.56 is: 211,601.59
Step by Step Solution
- Step 1: Write the proportion equation
274,195.68 : 378,387.38 = 153,335.56 : x - Step 2: Convert to fraction form
274,195.68/378,387.38 = 153,335.56/x - Step 3: Cross multiply
274,195.68x = 378,387.38 × 153,335.56 - Step 4: Simplify right side
274,195.68x = 58,020,240,809.23 - Step 5: Solve for x
x = 58,020,240,809.23/274,195.68 - Step 6: Final answer
x = 211,601.59
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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.