Finding the Fourth Proportional to 276,328.68, 414,492.98 and 76,649.07
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Solution
The fourth proportional to 276,328.68, 414,492.98 and 76,649.07 is: 114,973.59
Step by Step Solution
- Step 1: Write the proportion equation
276,328.68 : 414,492.98 = 76,649.07 : x - Step 2: Convert to fraction form
276,328.68/414,492.98 = 76,649.07/x - Step 3: Cross multiply
276,328.68x = 414,492.98 × 76,649.07 - Step 4: Simplify right side
276,328.68x = 31,770,501,055.28 - Step 5: Solve for x
x = 31,770,501,055.28/276,328.68 - Step 6: Final answer
x = 114,973.59
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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.