Finding the Fourth Proportional to 206,977.64, 310,621.02 and 153,792.68
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Solution
The fourth proportional to 206,977.64, 310,621.02 and 153,792.68 is: 230,803.86
Step by Step Solution
- Step 1: Write the proportion equation
206,977.64 : 310,621.02 = 153,792.68 : x - Step 2: Convert to fraction form
206,977.64/310,621.02 = 153,792.68/x - Step 3: Cross multiply
206,977.64x = 310,621.02 × 153,792.68 - Step 4: Simplify right side
206,977.64x = 47,771,239,130.13 - Step 5: Solve for x
x = 47,771,239,130.13/206,977.64 - Step 6: Final answer
x = 230,803.86
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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.