Finding the Fourth Proportional to 457,252.80, 684,712.80 and 363,940.80
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Solution
The fourth proportional to 457,252.80, 684,712.80 and 363,940.80 is: 544,982.83
Step by Step Solution
- Step 1: Write the proportion equation
457,252.80 : 684,712.80 = 363,940.80 : x - Step 2: Convert to fraction form
457,252.80/684,712.80 = 363,940.80/x - Step 3: Cross multiply
457,252.80x = 684,712.80 × 363,940.80 - Step 4: Simplify right side
457,252.80x = 249,194,924,202.24 - Step 5: Solve for x
x = 249,194,924,202.24/457,252.80 - Step 6: Final answer
x = 544,982.83
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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.