Finding the Fourth Proportional to 374,220.80, 561,158.40 and 163,750.40
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Solution
The fourth proportional to 374,220.80, 561,158.40 and 163,750.40 is: 245,549.99
Step by Step Solution
- Step 1: Write the proportion equation
374,220.80 : 561,158.40 = 163,750.40 : x - Step 2: Convert to fraction form
374,220.80/561,158.40 = 163,750.40/x - Step 3: Cross multiply
374,220.80x = 561,158.40 × 163,750.40 - Step 4: Simplify right side
374,220.80x = 91,889,912,463.36 - Step 5: Solve for x
x = 91,889,912,463.36/374,220.80 - Step 6: Final answer
x = 245,549.99
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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.