Finding the Fourth Proportional to 485,133.24, 727,777.62 and 204,691.80
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Solution
The fourth proportional to 485,133.24, 727,777.62 and 204,691.80 is: 307,070.51
Step by Step Solution
- Step 1: Write the proportion equation
485,133.24 : 727,777.62 = 204,691.80 : x - Step 2: Convert to fraction form
485,133.24/727,777.62 = 204,691.80/x - Step 3: Cross multiply
485,133.24x = 727,777.62 × 204,691.80 - Step 4: Simplify right side
485,133.24x = 148,970,111,037.52 - Step 5: Solve for x
x = 148,970,111,037.52/485,133.24 - Step 6: Final answer
x = 307,070.51
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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.