Finding the Fourth Proportional to 421,568.98, 581,786.49 and 249,585.70
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Solution
The fourth proportional to 421,568.98, 581,786.49 and 249,585.70 is: 344,440.88
Step by Step Solution
- Step 1: Write the proportion equation
421,568.98 : 581,786.49 = 249,585.70 : x - Step 2: Convert to fraction form
421,568.98/581,786.49 = 249,585.70/x - Step 3: Cross multiply
421,568.98x = 581,786.49 × 249,585.70 - Step 4: Simplify right side
421,568.98x = 145,205,588,357.19 - Step 5: Solve for x
x = 145,205,588,357.19/421,568.98 - Step 6: Final answer
x = 344,440.88
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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.