Finding the Fourth Proportional to 320,107.73, 441,840.71 and 211,291.49
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Solution
The fourth proportional to 320,107.73, 441,840.71 and 211,291.49 is: 291,643.02
Step by Step Solution
- Step 1: Write the proportion equation
320,107.73 : 441,840.71 = 211,291.49 : x - Step 2: Convert to fraction form
320,107.73/441,840.71 = 211,291.49/x - Step 3: Cross multiply
320,107.73x = 441,840.71 × 211,291.49 - Step 4: Simplify right side
320,107.73x = 93,357,184,419.84 - Step 5: Solve for x
x = 93,357,184,419.84/320,107.73 - Step 6: Final answer
x = 291,643.02
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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.