Finding the Fourth Proportional to 634,161.48, 875,119.56 and 347,675.28
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Solution
The fourth proportional to 634,161.48, 875,119.56 and 347,675.28 is: 479,779.12
Step by Step Solution
- Step 1: Write the proportion equation
634,161.48 : 875,119.56 = 347,675.28 : x - Step 2: Convert to fraction form
634,161.48/875,119.56 = 347,675.28/x - Step 3: Cross multiply
634,161.48x = 875,119.56 × 347,675.28 - Step 4: Simplify right side
634,161.48x = 304,257,438,056.48 - Step 5: Solve for x
x = 304,257,438,056.48/634,161.48 - Step 6: Final answer
x = 479,779.12
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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.