Finding the Fourth Proportional to 376,987.68, 520,243.56 and 207,222.84
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Solution
The fourth proportional to 376,987.68, 520,243.56 and 207,222.84 is: 285,967.83
Step by Step Solution
- Step 1: Write the proportion equation
376,987.68 : 520,243.56 = 207,222.84 : x - Step 2: Convert to fraction form
376,987.68/520,243.56 = 207,222.84/x - Step 3: Cross multiply
376,987.68x = 520,243.56 × 207,222.84 - Step 4: Simplify right side
376,987.68x = 107,806,347,994.91 - Step 5: Solve for x
x = 107,806,347,994.91/376,987.68 - Step 6: Final answer
x = 285,967.83
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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.