Finding the Fourth Proportional to 247,201.80, 370,802.70 and 243,265.20
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Solution
The fourth proportional to 247,201.80, 370,802.70 and 243,265.20 is: 364,897.80
Step by Step Solution
- Step 1: Write the proportion equation
247,201.80 : 370,802.70 = 243,265.20 : x - Step 2: Convert to fraction form
247,201.80/370,802.70 = 243,265.20/x - Step 3: Cross multiply
247,201.80x = 370,802.70 × 243,265.20 - Step 4: Simplify right side
247,201.80x = 90,203,392,976.04 - Step 5: Solve for x
x = 90,203,392,976.04/247,201.80 - Step 6: Final answer
x = 364,897.80
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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.