Finding the Fourth Proportional to 408,534.15, 563,793.17 and 247,297.98
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Solution
The fourth proportional to 408,534.15, 563,793.17 and 247,297.98 is: 341,280.92
Step by Step Solution
- Step 1: Write the proportion equation
408,534.15 : 563,793.17 = 247,297.98 : x - Step 2: Convert to fraction form
408,534.15/563,793.17 = 247,297.98/x - Step 3: Cross multiply
408,534.15x = 563,793.17 × 247,297.98 - Step 4: Simplify right side
408,534.15x = 139,424,910,842.31 - Step 5: Solve for x
x = 139,424,910,842.31/408,534.15 - Step 6: Final answer
x = 341,280.92
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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.