Finding the Fourth Proportional to 654,903.07, 981,185.91 and 355,192.49
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Solution
The fourth proportional to 654,903.07, 981,185.91 and 355,192.49 is: 532,154.88
Step by Step Solution
- Step 1: Write the proportion equation
654,903.07 : 981,185.91 = 355,192.49 : x - Step 2: Convert to fraction form
654,903.07/981,185.91 = 355,192.49/x - Step 3: Cross multiply
654,903.07x = 981,185.91 × 355,192.49 - Step 4: Simplify right side
654,903.07x = 348,509,867,646.81 - Step 5: Solve for x
x = 348,509,867,646.81/654,903.07 - Step 6: Final answer
x = 532,154.88
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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.