Finding the Fourth Proportional to 445,673.48, 615,267.70 and 348,671.14
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Solution
The fourth proportional to 445,673.48, 615,267.70 and 348,671.14 is: 481,352.60
Step by Step Solution
- Step 1: Write the proportion equation
445,673.48 : 615,267.70 = 348,671.14 : x - Step 2: Convert to fraction form
445,673.48/615,267.70 = 348,671.14/x - Step 3: Cross multiply
445,673.48x = 615,267.70 × 348,671.14 - Step 4: Simplify right side
445,673.48x = 214,526,090,364.18 - Step 5: Solve for x
x = 214,526,090,364.18/445,673.48 - Step 6: Final answer
x = 481,352.60
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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.