Finding the Fourth Proportional to 216,029.88, 298,075.68 and 125,374.68
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Solution
The fourth proportional to 216,029.88, 298,075.68 and 125,374.68 is: 172,990.62
Step by Step Solution
- Step 1: Write the proportion equation
216,029.88 : 298,075.68 = 125,374.68 : x - Step 2: Convert to fraction form
216,029.88/298,075.68 = 125,374.68/x - Step 3: Cross multiply
216,029.88x = 298,075.68 × 125,374.68 - Step 4: Simplify right side
216,029.88x = 37,371,142,995.78 - Step 5: Solve for x
x = 37,371,142,995.78/216,029.88 - Step 6: Final answer
x = 172,990.62
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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.