Finding the Fourth Proportional to 261,602.84, 361,020.84 and 154,264.88
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Solution
The fourth proportional to 261,602.84, 361,020.84 and 154,264.88 is: 212,890.79
Step by Step Solution
- Step 1: Write the proportion equation
261,602.84 : 361,020.84 = 154,264.88 : x - Step 2: Convert to fraction form
261,602.84/361,020.84 = 154,264.88/x - Step 3: Cross multiply
261,602.84x = 361,020.84 × 154,264.88 - Step 4: Simplify right side
261,602.84x = 55,692,836,560.10 - Step 5: Solve for x
x = 55,692,836,560.10/261,602.84 - Step 6: Final answer
x = 212,890.79
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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.