Finding the Fourth Proportional to 405,797.80, 559,996.79 and 224,510.99
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Solution
The fourth proportional to 405,797.80, 559,996.79 and 224,510.99 is: 309,822.86
Step by Step Solution
- Step 1: Write the proportion equation
405,797.80 : 559,996.79 = 224,510.99 : x - Step 2: Convert to fraction form
405,797.80/559,996.79 = 224,510.99/x - Step 3: Cross multiply
405,797.80x = 559,996.79 × 224,510.99 - Step 4: Simplify right side
405,797.80x = 125,725,434,210.04 - Step 5: Solve for x
x = 125,725,434,210.04/405,797.80 - Step 6: Final answer
x = 309,822.86
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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.