Finding the Fourth Proportional to 245,837.80, 368,756.70 and 245,837.80
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Solution
The fourth proportional to 245,837.80, 368,756.70 and 245,837.80 is: 368,756.70
Step by Step Solution
- Step 1: Write the proportion equation
245,837.80 : 368,756.70 = 245,837.80 : x - Step 2: Convert to fraction form
245,837.80/368,756.70 = 245,837.80/x - Step 3: Cross multiply
245,837.80x = 368,756.70 × 245,837.80 - Step 4: Simplify right side
245,837.80x = 90,654,335,863.26 - Step 5: Solve for x
x = 90,654,335,863.26/245,837.80 - Step 6: Final answer
x = 368,756.70
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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.