Finding the Fourth Proportional to 389,052.94, 583,579.35 and 300,435.70
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Solution
The fourth proportional to 389,052.94, 583,579.35 and 300,435.70 is: 450,653.50
Step by Step Solution
- Step 1: Write the proportion equation
389,052.94 : 583,579.35 = 300,435.70 : x - Step 2: Convert to fraction form
389,052.94/583,579.35 = 300,435.70/x - Step 3: Cross multiply
389,052.94x = 583,579.35 × 300,435.70 - Step 4: Simplify right side
389,052.94x = 175,328,070,522.80 - Step 5: Solve for x
x = 175,328,070,522.80/389,052.94 - Step 6: Final answer
x = 450,653.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.