Finding the Fourth Proportional to 445,944.57, 615,398.84 and 249,711.44
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Solution
The fourth proportional to 445,944.57, 615,398.84 and 249,711.44 is: 344,599.17
Step by Step Solution
- Step 1: Write the proportion equation
445,944.57 : 615,398.84 = 249,711.44 : x - Step 2: Convert to fraction form
445,944.57/615,398.84 = 249,711.44/x - Step 3: Cross multiply
445,944.57x = 615,398.84 × 249,711.44 - Step 4: Simplify right side
445,944.57x = 153,672,131,285.53 - Step 5: Solve for x
x = 153,672,131,285.53/445,944.57 - Step 6: Final answer
x = 344,599.17
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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.