Finding the Fourth Proportional to 264,740.78, 397,026.12 and 87,200.12
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Solution
The fourth proportional to 264,740.78, 397,026.12 and 87,200.12 is: 130,772.17
Step by Step Solution
- Step 1: Write the proportion equation
264,740.78 : 397,026.12 = 87,200.12 : x - Step 2: Convert to fraction form
264,740.78/397,026.12 = 87,200.12/x - Step 3: Cross multiply
264,740.78x = 397,026.12 × 87,200.12 - Step 4: Simplify right side
264,740.78x = 34,620,725,307.13 - Step 5: Solve for x
x = 34,620,725,307.13/264,740.78 - Step 6: Final answer
x = 130,772.17
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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.