Finding the Fourth Proportional to 346,125.84, 477,659.88 and 202,989.12
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Solution
The fourth proportional to 346,125.84, 477,659.88 and 202,989.12 is: 280,128.63
Step by Step Solution
- Step 1: Write the proportion equation
346,125.84 : 477,659.88 = 202,989.12 : x - Step 2: Convert to fraction form
346,125.84/477,659.88 = 202,989.12/x - Step 3: Cross multiply
346,125.84x = 477,659.88 × 202,989.12 - Step 4: Simplify right side
346,125.84x = 96,959,758,700.51 - Step 5: Solve for x
x = 96,959,758,700.51/346,125.84 - Step 6: Final answer
x = 280,128.63
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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.