Finding the Fourth Proportional to 487,907.74, 731,574.05 and 227,957.84
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Solution
The fourth proportional to 487,907.74, 731,574.05 and 227,957.84 is: 341,802.42
Step by Step Solution
- Step 1: Write the proportion equation
487,907.74 : 731,574.05 = 227,957.84 : x - Step 2: Convert to fraction form
487,907.74/731,574.05 = 227,957.84/x - Step 3: Cross multiply
487,907.74x = 731,574.05 × 227,957.84 - Step 4: Simplify right side
487,907.74x = 166,768,044,222.30 - Step 5: Solve for x
x = 166,768,044,222.30/487,907.74 - Step 6: Final answer
x = 341,802.42
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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.