Finding the Fourth Proportional to 385,704.25, 576,210.85 and 249,660.09
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Solution
The fourth proportional to 385,704.25, 576,210.85 and 249,660.09 is: 372,971.92
Step by Step Solution
- Step 1: Write the proportion equation
385,704.25 : 576,210.85 = 249,660.09 : x - Step 2: Convert to fraction form
385,704.25/576,210.85 = 249,660.09/x - Step 3: Cross multiply
385,704.25x = 576,210.85 × 249,660.09 - Step 4: Simplify right side
385,704.25x = 143,856,852,045.83 - Step 5: Solve for x
x = 143,856,852,045.83/385,704.25 - Step 6: Final answer
x = 372,971.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.