Finding the Fourth Proportional to 297,064.88, 445,612.44 and 86,718.68
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Solution
The fourth proportional to 297,064.88, 445,612.44 and 86,718.68 is: 130,082.43
Step by Step Solution
- Step 1: Write the proportion equation
297,064.88 : 445,612.44 = 86,718.68 : x - Step 2: Convert to fraction form
297,064.88/445,612.44 = 86,718.68/x - Step 3: Cross multiply
297,064.88x = 445,612.44 × 86,718.68 - Step 4: Simplify right side
297,064.88x = 38,642,922,588.38 - Step 5: Solve for x
x = 38,642,922,588.38/297,064.88 - Step 6: Final answer
x = 130,082.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.