Finding the Fourth Proportional to 370,725.80, 556,088.70 and 331,359.80
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Solution
The fourth proportional to 370,725.80, 556,088.70 and 331,359.80 is: 497,039.70
Step by Step Solution
- Step 1: Write the proportion equation
370,725.80 : 556,088.70 = 331,359.80 : x - Step 2: Convert to fraction form
370,725.80/556,088.70 = 331,359.80/x - Step 3: Cross multiply
370,725.80x = 556,088.70 × 331,359.80 - Step 4: Simplify right side
370,725.80x = 184,265,440,414.26 - Step 5: Solve for x
x = 184,265,440,414.26/370,725.80 - Step 6: Final answer
x = 497,039.70
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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.