Finding the Fourth Proportional to 502,740.97, 693,787.05 and 273,298.70
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Solution
The fourth proportional to 502,740.97, 693,787.05 and 273,298.70 is: 377,154.65
Step by Step Solution
- Step 1: Write the proportion equation
502,740.97 : 693,787.05 = 273,298.70 : x - Step 2: Convert to fraction form
502,740.97/693,787.05 = 273,298.70/x - Step 3: Cross multiply
502,740.97x = 693,787.05 × 273,298.70 - Step 4: Simplify right side
502,740.97x = 189,611,095,372.90 - Step 5: Solve for x
x = 189,611,095,372.90/502,740.97 - Step 6: Final answer
x = 377,154.65
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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.