Finding the Fourth Proportional to 654,654.24, 981,981.36 and 205,444.44
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Solution
The fourth proportional to 654,654.24, 981,981.36 and 205,444.44 is: 308,166.66
Step by Step Solution
- Step 1: Write the proportion equation
654,654.24 : 981,981.36 = 205,444.44 : x - Step 2: Convert to fraction form
654,654.24/981,981.36 = 205,444.44/x - Step 3: Cross multiply
654,654.24x = 981,981.36 × 205,444.44 - Step 4: Simplify right side
654,654.24x = 201,742,610,595.64 - Step 5: Solve for x
x = 201,742,610,595.64/654,654.24 - Step 6: Final answer
x = 308,166.66
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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.