Finding the Fourth Proportional to 230,278.23, 345,429.63 and 72,518.99
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Solution
The fourth proportional to 230,278.23, 345,429.63 and 72,518.99 is: 108,782.35
Step by Step Solution
- Step 1: Write the proportion equation
230,278.23 : 345,429.63 = 72,518.99 : x - Step 2: Convert to fraction form
230,278.23/345,429.63 = 72,518.99/x - Step 3: Cross multiply
230,278.23x = 345,429.63 × 72,518.99 - Step 4: Simplify right side
230,278.23x = 25,050,206,156.53 - Step 5: Solve for x
x = 25,050,206,156.53/230,278.23 - Step 6: Final answer
x = 108,782.35
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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.