Finding the Fourth Proportional to 654,239.99, 981,358.95 and 204,995.34
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Solution
The fourth proportional to 654,239.99, 981,358.95 and 204,995.34 is: 307,492.68
Step by Step Solution
- Step 1: Write the proportion equation
654,239.99 : 981,358.95 = 204,995.34 : x - Step 2: Convert to fraction form
654,239.99/981,358.95 = 204,995.34/x - Step 3: Cross multiply
654,239.99x = 981,358.95 × 204,995.34 - Step 4: Simplify right side
654,239.99x = 201,174,011,617.29 - Step 5: Solve for x
x = 201,174,011,617.29/654,239.99 - Step 6: Final answer
x = 307,492.68
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1.5x scale
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.