Finding the Fourth Proportional to 654,267.08, 981,400.54 and 211,035.08
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Solution
The fourth proportional to 654,267.08, 981,400.54 and 211,035.08 is: 316,552.59
Step by Step Solution
- Step 1: Write the proportion equation
654,267.08 : 981,400.54 = 211,035.08 : x - Step 2: Convert to fraction form
654,267.08/981,400.54 = 211,035.08/x - Step 3: Cross multiply
654,267.08x = 981,400.54 × 211,035.08 - Step 4: Simplify right side
654,267.08x = 207,109,941,470.94 - Step 5: Solve for x
x = 207,109,941,470.94/654,267.08 - Step 6: Final answer
x = 316,552.59
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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.