Finding the Fourth Proportional to 634,138.12, 875,110.39 and 347,652.06
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Solution
The fourth proportional to 634,138.12, 875,110.39 and 347,652.06 is: 479,759.72
Step by Step Solution
- Step 1: Write the proportion equation
634,138.12 : 875,110.39 = 347,652.06 : x - Step 2: Convert to fraction form
634,138.12/875,110.39 = 347,652.06/x - Step 3: Cross multiply
634,138.12x = 875,110.39 × 347,652.06 - Step 4: Simplify right side
634,138.12x = 304,233,929,810.90 - Step 5: Solve for x
x = 304,233,929,810.90/634,138.12 - Step 6: Final answer
x = 479,759.72
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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.