Finding the Fourth Proportional to 276,171.08, 381,217.78 and 242,537.80
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Solution
The fourth proportional to 276,171.08, 381,217.78 and 242,537.80 is: 334,791.47
Step by Step Solution
- Step 1: Write the proportion equation
276,171.08 : 381,217.78 = 242,537.80 : x - Step 2: Convert to fraction form
276,171.08/381,217.78 = 242,537.80/x - Step 3: Cross multiply
276,171.08x = 381,217.78 × 242,537.80 - Step 4: Simplify right side
276,171.08x = 92,459,721,682.08 - Step 5: Solve for x
x = 92,459,721,682.08/276,171.08 - Step 6: Final answer
x = 334,791.47
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1.5x scale
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.