Finding the Fourth Proportional to 351,262.95, 484,754.62 and 215,270.62
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Solution
The fourth proportional to 351,262.95, 484,754.62 and 215,270.62 is: 297,080.66
Step by Step Solution
- Step 1: Write the proportion equation
351,262.95 : 484,754.62 = 215,270.62 : x - Step 2: Convert to fraction form
351,262.95/484,754.62 = 215,270.62/x - Step 3: Cross multiply
351,262.95x = 484,754.62 × 215,270.62 - Step 4: Simplify right side
351,262.95x = 104,353,428,975.58 - Step 5: Solve for x
x = 104,353,428,975.58/351,262.95 - Step 6: Final answer
x = 297,080.66
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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.