Finding the Fourth Proportional to 372,254.24, 513,708.54 and 202,489.04
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Solution
The fourth proportional to 372,254.24, 513,708.54 and 202,489.04 is: 279,433.62
Step by Step Solution
- Step 1: Write the proportion equation
372,254.24 : 513,708.54 = 202,489.04 : x - Step 2: Convert to fraction form
372,254.24/513,708.54 = 202,489.04/x - Step 3: Cross multiply
372,254.24x = 513,708.54 × 202,489.04 - Step 4: Simplify right side
372,254.24x = 104,020,349,104.40 - Step 5: Solve for x
x = 104,020,349,104.40/372,254.24 - Step 6: Final answer
x = 279,433.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.