Finding the Fourth Proportional to 313,864.06, 470,912.74 and 145,465.06
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Solution
The fourth proportional to 313,864.06, 470,912.74 and 145,465.06 is: 218,251.65
Step by Step Solution
- Step 1: Write the proportion equation
313,864.06 : 470,912.74 = 145,465.06 : x - Step 2: Convert to fraction form
313,864.06/470,912.74 = 145,465.06/x - Step 3: Cross multiply
313,864.06x = 470,912.74 × 145,465.06 - Step 4: Simplify right side
313,864.06x = 68,501,349,978.86 - Step 5: Solve for x
x = 68,501,349,978.86/313,864.06 - Step 6: Final answer
x = 218,251.65
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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.