Finding the Fourth Proportional to 370,402.66, 555,644.99 and 145,733.50
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Solution
The fourth proportional to 370,402.66, 555,644.99 and 145,733.50 is: 218,616.38
Step by Step Solution
- Step 1: Write the proportion equation
370,402.66 : 555,644.99 = 145,733.50 : x - Step 2: Convert to fraction form
370,402.66/555,644.99 = 145,733.50/x - Step 3: Cross multiply
370,402.66x = 555,644.99 × 145,733.50 - Step 4: Simplify right side
370,402.66x = 80,976,089,150.17 - Step 5: Solve for x
x = 80,976,089,150.17/370,402.66 - Step 6: Final answer
x = 218,616.38
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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.