Finding the Fourth Proportional to 451,729.99, 623,500.68 and 306,781.03
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Solution
The fourth proportional to 451,729.99, 623,500.68 and 306,781.03 is: 423,434.76
Step by Step Solution
- Step 1: Write the proportion equation
451,729.99 : 623,500.68 = 306,781.03 : x - Step 2: Convert to fraction form
451,729.99/623,500.68 = 306,781.03/x - Step 3: Cross multiply
451,729.99x = 623,500.68 × 306,781.03 - Step 4: Simplify right side
451,729.99x = 191,278,180,816.10 - Step 5: Solve for x
x = 191,278,180,816.10/451,729.99 - Step 6: Final answer
x = 423,434.76
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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.