Finding the Fourth Proportional to 396,374.05, 594,539.84 and 140,188.87
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Solution
The fourth proportional to 396,374.05, 594,539.84 and 140,188.87 is: 210,275.79
Step by Step Solution
- Step 1: Write the proportion equation
396,374.05 : 594,539.84 = 140,188.87 : x - Step 2: Convert to fraction form
396,374.05/594,539.84 = 140,188.87/x - Step 3: Cross multiply
396,374.05x = 594,539.84 × 140,188.87 - Step 4: Simplify right side
396,374.05x = 83,347,867,203.70 - Step 5: Solve for x
x = 83,347,867,203.70/396,374.05 - Step 6: Final answer
x = 210,275.79
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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.