Finding the Fourth Proportional to 440,463.99, 660,709.64 and 209,603.65
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Solution
The fourth proportional to 440,463.99, 660,709.64 and 209,603.65 is: 314,411.97
Step by Step Solution
- Step 1: Write the proportion equation
440,463.99 : 660,709.64 = 209,603.65 : x - Step 2: Convert to fraction form
440,463.99/660,709.64 = 209,603.65/x - Step 3: Cross multiply
440,463.99x = 660,709.64 × 209,603.65 - Step 4: Simplify right side
440,463.99x = 138,487,152,134.19 - Step 5: Solve for x
x = 138,487,152,134.19/440,463.99 - Step 6: Final answer
x = 314,411.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.