Finding the Fourth Proportional to 374,432.70, 525,138.90 and 374,432.70
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Solution
The fourth proportional to 374,432.70, 525,138.90 and 374,432.70 is: 525,138.90
Step by Step Solution
- Step 1: Write the proportion equation
374,432.70 : 525,138.90 = 374,432.70 : x - Step 2: Convert to fraction form
374,432.70/525,138.90 = 374,432.70/x - Step 3: Cross multiply
374,432.70x = 525,138.90 × 374,432.70 - Step 4: Simplify right side
374,432.70x = 196,629,176,202.03 - Step 5: Solve for x
x = 196,629,176,202.03/374,432.70 - Step 6: Final answer
x = 525,138.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.