Finding the Fourth Proportional to 173,420.40, 260,130.60 and 55,103.70
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Solution
The fourth proportional to 173,420.40, 260,130.60 and 55,103.70 is: 82,655.55
Step by Step Solution
- Step 1: Write the proportion equation
173,420.40 : 260,130.60 = 55,103.70 : x - Step 2: Convert to fraction form
173,420.40/260,130.60 = 55,103.70/x - Step 3: Cross multiply
173,420.40x = 260,130.60 × 55,103.70 - Step 4: Simplify right side
173,420.40x = 14,334,158,543.22 - Step 5: Solve for x
x = 14,334,158,543.22/173,420.40 - Step 6: Final answer
x = 82,655.55
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1.5x scale
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.