Finding the Fourth Proportional to 276,901.76, 415,352.59 and 66,539.70
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Solution
The fourth proportional to 276,901.76, 415,352.59 and 66,539.70 is: 99,809.53
Step by Step Solution
- Step 1: Write the proportion equation
276,901.76 : 415,352.59 = 66,539.70 : x - Step 2: Convert to fraction form
276,901.76/415,352.59 = 66,539.70/x - Step 3: Cross multiply
276,901.76x = 415,352.59 × 66,539.70 - Step 4: Simplify right side
276,901.76x = 27,637,434,656.06 - Step 5: Solve for x
x = 27,637,434,656.06/276,901.76 - Step 6: Final answer
x = 99,809.53
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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.