Finding the Fourth Proportional to 469,270.40, 703,905.57 and 216,476.09
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Solution
The fourth proportional to 469,270.40, 703,905.57 and 216,476.09 is: 324,714.12
Step by Step Solution
- Step 1: Write the proportion equation
469,270.40 : 703,905.57 = 216,476.09 : x - Step 2: Convert to fraction form
469,270.40/703,905.57 = 216,476.09/x - Step 3: Cross multiply
469,270.40x = 703,905.57 × 216,476.09 - Step 4: Simplify right side
469,270.40x = 152,378,722,003.29 - Step 5: Solve for x
x = 152,378,722,003.29/469,270.40 - Step 6: Final answer
x = 324,714.12
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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.