Finding the Fourth Proportional to 439,767.21, 607,375.98 and 296,278.14
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Solution
The fourth proportional to 439,767.21, 607,375.98 and 296,278.14 is: 409,198.83
Step by Step Solution
- Step 1: Write the proportion equation
439,767.21 : 607,375.98 = 296,278.14 : x - Step 2: Convert to fraction form
439,767.21/607,375.98 = 296,278.14/x - Step 3: Cross multiply
439,767.21x = 607,375.98 × 296,278.14 - Step 4: Simplify right side
439,767.21x = 179,952,225,635.08 - Step 5: Solve for x
x = 179,952,225,635.08/439,767.21 - Step 6: Final answer
x = 409,198.83
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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.