Finding the Fourth Proportional to 399,917.18, 600,112.60 and 147,374.67
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Solution
The fourth proportional to 399,917.18, 600,112.60 and 147,374.67 is: 221,149.28
Step by Step Solution
- Step 1: Write the proportion equation
399,917.18 : 600,112.60 = 147,374.67 : x - Step 2: Convert to fraction form
399,917.18/600,112.60 = 147,374.67/x - Step 3: Cross multiply
399,917.18x = 600,112.60 × 147,374.67 - Step 4: Simplify right side
399,917.18x = 88,441,398,269.83 - Step 5: Solve for x
x = 88,441,398,269.83/399,917.18 - Step 6: Final answer
x = 221,149.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.