Finding the Fourth Proportional to 307,125.86, 460,725.69 and 290,329.70
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Solution
The fourth proportional to 307,125.86, 460,725.69 and 290,329.70 is: 435,529.44
Step by Step Solution
- Step 1: Write the proportion equation
307,125.86 : 460,725.69 = 290,329.70 : x - Step 2: Convert to fraction form
307,125.86/460,725.69 = 290,329.70/x - Step 3: Cross multiply
307,125.86x = 460,725.69 × 290,329.70 - Step 4: Simplify right side
307,125.86x = 133,762,350,145.10 - Step 5: Solve for x
x = 133,762,350,145.10/307,125.86 - Step 6: Final answer
x = 435,529.44
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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.