Finding the Fourth Proportional to 373,444.18, 515,350.61 and 212,299.23
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Solution
The fourth proportional to 373,444.18, 515,350.61 and 212,299.23 is: 292,971.59
Step by Step Solution
- Step 1: Write the proportion equation
373,444.18 : 515,350.61 = 212,299.23 : x - Step 2: Convert to fraction form
373,444.18/515,350.61 = 212,299.23/x - Step 3: Cross multiply
373,444.18x = 515,350.61 × 212,299.23 - Step 4: Simplify right side
373,444.18x = 109,408,534,044.78 - Step 5: Solve for x
x = 109,408,534,044.78/373,444.18 - Step 6: Final answer
x = 292,971.59
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1.5x scale
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.