Finding the Fourth Proportional to 508,718.49, 702,040.34 and 279,297.13
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Solution
The fourth proportional to 508,718.49, 702,040.34 and 279,297.13 is: 385,434.88
Step by Step Solution
- Step 1: Write the proportion equation
508,718.49 : 702,040.34 = 279,297.13 : x - Step 2: Convert to fraction form
508,718.49/702,040.34 = 279,297.13/x - Step 3: Cross multiply
508,718.49x = 702,040.34 × 279,297.13 - Step 4: Simplify right side
508,718.49x = 196,077,852,106.22 - Step 5: Solve for x
x = 196,077,852,106.22/508,718.49 - Step 6: Final answer
x = 385,434.88
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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.