Finding the Fourth Proportional to 276,368.09, 414,547.49 and 124,480.68
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Solution
The fourth proportional to 276,368.09, 414,547.49 and 124,480.68 is: 186,718.94
Step by Step Solution
- Step 1: Write the proportion equation
276,368.09 : 414,547.49 = 124,480.68 : x - Step 2: Convert to fraction form
276,368.09/414,547.49 = 124,480.68/x - Step 3: Cross multiply
276,368.09x = 414,547.49 × 124,480.68 - Step 4: Simplify right side
276,368.09x = 51,603,155,313.25 - Step 5: Solve for x
x = 51,603,155,313.25/276,368.09 - Step 6: Final answer
x = 186,718.94
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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.