Finding the Fourth Proportional to 442,908.80, 664,654.80 and 253,368.80
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Solution
The fourth proportional to 442,908.80, 664,654.80 and 253,368.80 is: 380,220.01
Step by Step Solution
- Step 1: Write the proportion equation
442,908.80 : 664,654.80 = 253,368.80 : x - Step 2: Convert to fraction form
442,908.80/664,654.80 = 253,368.80/x - Step 3: Cross multiply
442,908.80x = 664,654.80 × 253,368.80 - Step 4: Simplify right side
442,908.80x = 168,402,789,090.24 - Step 5: Solve for x
x = 168,402,789,090.24/442,908.80 - Step 6: Final answer
x = 380,220.01
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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.