Finding the Fourth Proportional to 346,569.53, 477,955.08 and 288,618.12
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Solution
The fourth proportional to 346,569.53, 477,955.08 and 288,618.12 is: 398,034.12
Step by Step Solution
- Step 1: Write the proportion equation
346,569.53 : 477,955.08 = 288,618.12 : x - Step 2: Convert to fraction form
346,569.53/477,955.08 = 288,618.12/x - Step 3: Cross multiply
346,569.53x = 477,955.08 × 288,618.12 - Step 4: Simplify right side
346,569.53x = 137,946,496,634.05 - Step 5: Solve for x
x = 137,946,496,634.05/346,569.53 - Step 6: Final answer
x = 398,034.12
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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.