Finding the Fourth Proportional to 276,948.62, 415,467.19 and 117,026.07
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Solution
The fourth proportional to 276,948.62, 415,467.19 and 117,026.07 is: 175,557.81
Step by Step Solution
- Step 1: Write the proportion equation
276,948.62 : 415,467.19 = 117,026.07 : x - Step 2: Convert to fraction form
276,948.62/415,467.19 = 117,026.07/x - Step 3: Cross multiply
276,948.62x = 415,467.19 × 117,026.07 - Step 4: Simplify right side
276,948.62x = 48,620,492,459.64 - Step 5: Solve for x
x = 48,620,492,459.64/276,948.62 - Step 6: Final answer
x = 175,557.81
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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.