Finding the Fourth Proportional to 515,796.48, 773,658.14 and 136,708.80
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Solution
The fourth proportional to 515,796.48, 773,658.14 and 136,708.80 is: 205,053.50
Step by Step Solution
- Step 1: Write the proportion equation
515,796.48 : 773,658.14 = 136,708.80 : x - Step 2: Convert to fraction form
515,796.48/773,658.14 = 136,708.80/x - Step 3: Cross multiply
515,796.48x = 773,658.14 × 136,708.80 - Step 4: Simplify right side
515,796.48x = 105,765,875,929.63 - Step 5: Solve for x
x = 105,765,875,929.63/515,796.48 - Step 6: Final answer
x = 205,053.50
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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.