Finding the Fourth Proportional to 512,154.88, 707,076.48 and 369,283.84
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Solution
The fourth proportional to 512,154.88, 707,076.48 and 369,283.84 is: 509,829.99
Step by Step Solution
- Step 1: Write the proportion equation
512,154.88 : 707,076.48 = 369,283.84 : x - Step 2: Convert to fraction form
512,154.88/707,076.48 = 369,283.84/x - Step 3: Cross multiply
512,154.88x = 707,076.48 × 369,283.84 - Step 4: Simplify right side
512,154.88x = 261,111,917,708.08 - Step 5: Solve for x
x = 261,111,917,708.08/512,154.88 - Step 6: Final answer
x = 509,829.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.