Finding the Fourth Proportional to 115,499.10, 173,259.99 and 48,017.19
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Solution
The fourth proportional to 115,499.10, 173,259.99 and 48,017.19 is: 72,030.50
Step by Step Solution
- Step 1: Write the proportion equation
115,499.10 : 173,259.99 = 48,017.19 : x - Step 2: Convert to fraction form
115,499.10/173,259.99 = 48,017.19/x - Step 3: Cross multiply
115,499.10x = 173,259.99 × 48,017.19 - Step 4: Simplify right side
115,499.10x = 8,319,457,859.23 - Step 5: Solve for x
x = 8,319,457,859.23/115,499.10 - Step 6: Final answer
x = 72,030.50
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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.