Finding the Fourth Proportional to 230,566.02, 318,181.68 and 128,598.09
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Solution
The fourth proportional to 230,566.02, 318,181.68 and 128,598.09 is: 177,465.68
Step by Step Solution
- Step 1: Write the proportion equation
230,566.02 : 318,181.68 = 128,598.09 : x - Step 2: Convert to fraction form
230,566.02/318,181.68 = 128,598.09/x - Step 3: Cross multiply
230,566.02x = 318,181.68 × 128,598.09 - Step 4: Simplify right side
230,566.02x = 40,917,556,320.99 - Step 5: Solve for x
x = 40,917,556,320.99/230,566.02 - Step 6: Final answer
x = 177,465.68
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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.