Finding the Fourth Proportional to 276,953.62, 381,748.26 and 216,419.08
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Solution
The fourth proportional to 276,953.62, 381,748.26 and 216,419.08 is: 298,308.46
Step by Step Solution
- Step 1: Write the proportion equation
276,953.62 : 381,748.26 = 216,419.08 : x - Step 2: Convert to fraction form
276,953.62/381,748.26 = 216,419.08/x - Step 3: Cross multiply
276,953.62x = 381,748.26 × 216,419.08 - Step 4: Simplify right side
276,953.62x = 82,617,607,220.80 - Step 5: Solve for x
x = 82,617,607,220.80/276,953.62 - Step 6: Final answer
x = 298,308.46
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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.