Finding the Fourth Proportional to 115,545.60, 173,318.40 and 97,113.60
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Solution
The fourth proportional to 115,545.60, 173,318.40 and 97,113.60 is: 145,670.40
Step by Step Solution
- Step 1: Write the proportion equation
115,545.60 : 173,318.40 = 97,113.60 : x - Step 2: Convert to fraction form
115,545.60/173,318.40 = 97,113.60/x - Step 3: Cross multiply
115,545.60x = 173,318.40 × 97,113.60 - Step 4: Simplify right side
115,545.60x = 16,831,573,770.24 - Step 5: Solve for x
x = 16,831,573,770.24/115,545.60 - Step 6: Final answer
x = 145,670.40
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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.