Finding the Fourth Proportional to 276,925.88, 382,165.58 and 154,421.08
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Solution
The fourth proportional to 276,925.88, 382,165.58 and 154,421.08 is: 213,105.48
Step by Step Solution
- Step 1: Write the proportion equation
276,925.88 : 382,165.58 = 154,421.08 : x - Step 2: Convert to fraction form
276,925.88/382,165.58 = 154,421.08/x - Step 3: Cross multiply
276,925.88x = 382,165.58 × 154,421.08 - Step 4: Simplify right side
276,925.88x = 59,014,421,602.43 - Step 5: Solve for x
x = 59,014,421,602.43/276,925.88 - Step 6: Final answer
x = 213,105.48
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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.