Finding the Fourth Proportional to 385,772.91, 532,243.59 and 249,911.00
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Solution
The fourth proportional to 385,772.91, 532,243.59 and 249,911.00 is: 344,797.47
Step by Step Solution
- Step 1: Write the proportion equation
385,772.91 : 532,243.59 = 249,911.00 : x - Step 2: Convert to fraction form
385,772.91/532,243.59 = 249,911.00/x - Step 3: Cross multiply
385,772.91x = 532,243.59 × 249,911.00 - Step 4: Simplify right side
385,772.91x = 133,013,525,159.27 - Step 5: Solve for x
x = 133,013,525,159.27/385,772.91 - Step 6: Final answer
x = 344,797.47
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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.