Finding the Fourth Proportional to 163,598.40, 245,743.20 and 157,723.20
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Solution
The fourth proportional to 163,598.40, 245,743.20 and 157,723.20 is: 236,917.99
Step by Step Solution
- Step 1: Write the proportion equation
163,598.40 : 245,743.20 = 157,723.20 : x - Step 2: Convert to fraction form
163,598.40/245,743.20 = 157,723.20/x - Step 3: Cross multiply
163,598.40x = 245,743.20 × 157,723.20 - Step 4: Simplify right side
163,598.40x = 38,759,403,882.24 - Step 5: Solve for x
x = 38,759,403,882.24/163,598.40 - Step 6: Final answer
x = 236,917.99
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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.