Finding the Fourth Proportional to 457,501.75, 686,296.97 and 141,873.91
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Solution
The fourth proportional to 457,501.75, 686,296.97 and 141,873.91 is: 212,824.62
Step by Step Solution
- Step 1: Write the proportion equation
457,501.75 : 686,296.97 = 141,873.91 : x - Step 2: Convert to fraction form
457,501.75/686,296.97 = 141,873.91/x - Step 3: Cross multiply
457,501.75x = 686,296.97 × 141,873.91 - Step 4: Simplify right side
457,501.75x = 97,367,634,555.05 - Step 5: Solve for x
x = 97,367,634,555.05/457,501.75 - Step 6: Final answer
x = 212,824.62
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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.