Finding the Fourth Proportional to 370,824.10, 556,236.15 and 315,711.70
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Solution
The fourth proportional to 370,824.10, 556,236.15 and 315,711.70 is: 473,567.55
Step by Step Solution
- Step 1: Write the proportion equation
370,824.10 : 556,236.15 = 315,711.70 : x - Step 2: Convert to fraction form
370,824.10/556,236.15 = 315,711.70/x - Step 3: Cross multiply
370,824.10x = 556,236.15 × 315,711.70 - Step 4: Simplify right side
370,824.10x = 175,610,260,517.96 - Step 5: Solve for x
x = 175,610,260,517.96/370,824.10 - Step 6: Final answer
x = 473,567.55
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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.