Finding the Fourth Proportional to 375,528.32, 518,249.84 and 214,435.12
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Solution
The fourth proportional to 375,528.32, 518,249.84 and 214,435.12 is: 295,932.32
Step by Step Solution
- Step 1: Write the proportion equation
375,528.32 : 518,249.84 = 214,435.12 : x - Step 2: Convert to fraction form
375,528.32/518,249.84 = 214,435.12/x - Step 3: Cross multiply
375,528.32x = 518,249.84 × 214,435.12 - Step 4: Simplify right side
375,528.32x = 111,130,966,630.38 - Step 5: Solve for x
x = 111,130,966,630.38/375,528.32 - Step 6: Final answer
x = 295,932.32
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1.5x scale
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.