Finding the Fourth Proportional to 204,449.60, 306,904.80 and 157,908.80
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Solution
The fourth proportional to 204,449.60, 306,904.80 and 157,908.80 is: 237,041.15
Step by Step Solution
- Step 1: Write the proportion equation
204,449.60 : 306,904.80 = 157,908.80 : x - Step 2: Convert to fraction form
204,449.60/306,904.80 = 157,908.80/x - Step 3: Cross multiply
204,449.60x = 306,904.80 × 157,908.80 - Step 4: Simplify right side
204,449.60x = 48,462,968,682.24 - Step 5: Solve for x
x = 48,462,968,682.24/204,449.60 - Step 6: Final answer
x = 237,041.15
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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.