Finding the Fourth Proportional to 344,607.57, 516,911.55 and 131,325.75
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Solution
The fourth proportional to 344,607.57, 516,911.55 and 131,325.75 is: 196,988.70
Step by Step Solution
- Step 1: Write the proportion equation
344,607.57 : 516,911.55 = 131,325.75 : x - Step 2: Convert to fraction form
344,607.57/516,911.55 = 131,325.75/x - Step 3: Cross multiply
344,607.57x = 516,911.55 × 131,325.75 - Step 4: Simplify right side
344,607.57x = 67,883,796,987.41 - Step 5: Solve for x
x = 67,883,796,987.41/344,607.57 - Step 6: Final answer
x = 196,988.70
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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.