Finding the Fourth Proportional to 345,824.84, 477,276.90 and 202,705.94
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Solution
The fourth proportional to 345,824.84, 477,276.90 and 202,705.94 is: 279,756.83
Step by Step Solution
- Step 1: Write the proportion equation
345,824.84 : 477,276.90 = 202,705.94 : x - Step 2: Convert to fraction form
345,824.84/477,276.90 = 202,705.94/x - Step 3: Cross multiply
345,824.84x = 477,276.90 × 202,705.94 - Step 4: Simplify right side
345,824.84x = 96,746,862,654.79 - Step 5: Solve for x
x = 96,746,862,654.79/345,824.84 - Step 6: Final answer
x = 279,756.83
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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.