Finding the Fourth Proportional to 445,972.39, 615,184.54 and 284,645.63
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Solution
The fourth proportional to 445,972.39, 615,184.54 and 284,645.63 is: 392,646.71
Step by Step Solution
- Step 1: Write the proportion equation
445,972.39 : 615,184.54 = 284,645.63 : x - Step 2: Convert to fraction form
445,972.39/615,184.54 = 284,645.63/x - Step 3: Cross multiply
445,972.39x = 615,184.54 × 284,645.63 - Step 4: Simplify right side
445,972.39x = 175,109,588,590.25 - Step 5: Solve for x
x = 175,109,588,590.25/445,972.39 - Step 6: Final answer
x = 392,646.71
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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.