Finding the Fourth Proportional to 373,434.93, 515,337.86 and 212,289.95
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Solution
The fourth proportional to 373,434.93, 515,337.86 and 212,289.95 is: 292,958.80
Step by Step Solution
- Step 1: Write the proportion equation
373,434.93 : 515,337.86 = 212,289.95 : x - Step 2: Convert to fraction form
373,434.93/515,337.86 = 212,289.95/x - Step 3: Cross multiply
373,434.93x = 515,337.86 × 212,289.95 - Step 4: Simplify right side
373,434.93x = 109,401,048,532.51 - Step 5: Solve for x
x = 109,401,048,532.51/373,434.93 - Step 6: Final answer
x = 292,958.80
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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.