Finding the Fourth Proportional to 445,989.74, 615,264.81 and 264,709.31
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Solution
The fourth proportional to 445,989.74, 615,264.81 and 264,709.31 is: 365,179.53
Step by Step Solution
- Step 1: Write the proportion equation
445,989.74 : 615,264.81 = 264,709.31 : x - Step 2: Convert to fraction form
445,989.74/615,264.81 = 264,709.31/x - Step 3: Cross multiply
445,989.74x = 615,264.81 × 264,709.31 - Step 4: Simplify right side
445,989.74x = 162,866,323,322.38 - Step 5: Solve for x
x = 162,866,323,322.38/445,989.74 - Step 6: Final answer
x = 365,179.53
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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.