Finding the Fourth Proportional to 230,760, 318,448.80 and 124,776
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Solution
The fourth proportional to 230,760, 318,448.80 and 124,776 is: 172,190.88
Step by Step Solution
- Step 1: Write the proportion equation
230,760 : 318,448.80 = 124,776 : x - Step 2: Convert to fraction form
230,760/318,448.80 = 124,776/x - Step 3: Cross multiply
230,760x = 318,448.80 × 124,776 - Step 4: Simplify right side
230,760x = 39,734,767,468.80 - Step 5: Solve for x
x = 39,734,767,468.80/230,760 - Step 6: Final answer
x = 172,190.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.