Finding the Fourth Proportional to 245,770.20, 368,655.30 and 170,731.80
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Solution
The fourth proportional to 245,770.20, 368,655.30 and 170,731.80 is: 256,097.70
Step by Step Solution
- Step 1: Write the proportion equation
245,770.20 : 368,655.30 = 170,731.80 : x - Step 2: Convert to fraction form
245,770.20/368,655.30 = 170,731.80/x - Step 3: Cross multiply
245,770.20x = 368,655.30 × 170,731.80 - Step 4: Simplify right side
245,770.20x = 62,941,182,948.54 - Step 5: Solve for x
x = 62,941,182,948.54/245,770.20 - Step 6: Final answer
x = 256,097.70
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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.