Finding the Fourth Proportional to 199,503.34, 299,365.18 and 81,257.92
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Solution
The fourth proportional to 199,503.34, 299,365.18 and 81,257.92 is: 121,931.75
Step by Step Solution
- Step 1: Write the proportion equation
199,503.34 : 299,365.18 = 81,257.92 : x - Step 2: Convert to fraction form
199,503.34/299,365.18 = 81,257.92/x - Step 3: Cross multiply
199,503.34x = 299,365.18 × 81,257.92 - Step 4: Simplify right side
199,503.34x = 24,325,791,847.23 - Step 5: Solve for x
x = 24,325,791,847.23/199,503.34 - Step 6: Final answer
x = 121,931.75
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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.