Finding the Fourth Proportional to 408,003.48, 611,381.72 and 171,216.99
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Solution
The fourth proportional to 408,003.48, 611,381.72 and 171,216.99 is: 256,563.84
Step by Step Solution
- Step 1: Write the proportion equation
408,003.48 : 611,381.72 = 171,216.99 : x - Step 2: Convert to fraction form
408,003.48/611,381.72 = 171,216.99/x - Step 3: Cross multiply
408,003.48x = 611,381.72 × 171,216.99 - Step 4: Simplify right side
408,003.48x = 104,678,938,267.47 - Step 5: Solve for x
x = 104,678,938,267.47/408,003.48 - Step 6: Final answer
x = 256,563.84
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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.