Finding the Fourth Proportional to 115,430.05, 173,154.93 and 40,543.66
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Solution
The fourth proportional to 115,430.05, 173,154.93 and 40,543.66 is: 60,818.95
Step by Step Solution
- Step 1: Write the proportion equation
115,430.05 : 173,154.93 = 40,543.66 : x - Step 2: Convert to fraction form
115,430.05/173,154.93 = 40,543.66/x - Step 3: Cross multiply
115,430.05x = 173,154.93 × 40,543.66 - Step 4: Simplify right side
115,430.05x = 7,020,334,609.24 - Step 5: Solve for x
x = 7,020,334,609.24/115,430.05 - Step 6: Final answer
x = 60,818.95
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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.