Finding the Fourth Proportional to 634,148.12, 875,124.19 and 347,662.06
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Solution
The fourth proportional to 634,148.12, 875,124.19 and 347,662.06 is: 479,773.52
Step by Step Solution
- Step 1: Write the proportion equation
634,148.12 : 875,124.19 = 347,662.06 : x - Step 2: Convert to fraction form
634,148.12/875,124.19 = 347,662.06/x - Step 3: Cross multiply
634,148.12x = 875,124.19 × 347,662.06 - Step 4: Simplify right side
634,148.12x = 304,247,478,651.23 - Step 5: Solve for x
x = 304,247,478,651.23/634,148.12 - Step 6: Final answer
x = 479,773.52
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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.