Finding the Fourth Proportional to 321,924.70, 482,884.65 and 97,284.70
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Solution
The fourth proportional to 321,924.70, 482,884.65 and 97,284.70 is: 145,926.32
Step by Step Solution
- Step 1: Write the proportion equation
321,924.70 : 482,884.65 = 97,284.70 : x - Step 2: Convert to fraction form
321,924.70/482,884.65 = 97,284.70/x - Step 3: Cross multiply
321,924.70x = 482,884.65 × 97,284.70 - Step 4: Simplify right side
321,924.70x = 46,977,288,309.86 - Step 5: Solve for x
x = 46,977,288,309.86/321,924.70 - Step 6: Final answer
x = 145,926.32
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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.