Finding the Fourth Proportional to 245,475.74, 338,754.30 and 138,046.52
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Solution
The fourth proportional to 245,475.74, 338,754.30 and 138,046.52 is: 190,502.95
Step by Step Solution
- Step 1: Write the proportion equation
245,475.74 : 338,754.30 = 138,046.52 : x - Step 2: Convert to fraction form
245,475.74/338,754.30 = 138,046.52/x - Step 3: Cross multiply
245,475.74x = 338,754.30 × 138,046.52 - Step 4: Simplify right side
245,475.74x = 46,763,852,250.04 - Step 5: Solve for x
x = 46,763,852,250.04/245,475.74 - Step 6: Final answer
x = 190,502.95
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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.