Finding the Fourth Proportional to 478,164.99, 659,871.99 and 263,305.92
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Solution
The fourth proportional to 478,164.99, 659,871.99 and 263,305.92 is: 363,364.54
Step by Step Solution
- Step 1: Write the proportion equation
478,164.99 : 659,871.99 = 263,305.92 : x - Step 2: Convert to fraction form
478,164.99/659,871.99 = 263,305.92/x - Step 3: Cross multiply
478,164.99x = 659,871.99 × 263,305.92 - Step 4: Simplify right side
478,164.99x = 173,748,201,409.18 - Step 5: Solve for x
x = 173,748,201,409.18/478,164.99 - Step 6: Final answer
x = 363,364.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.