Finding the Fourth Proportional to 374,840.84, 517,278.80 and 202,758.90
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Solution
The fourth proportional to 374,840.84, 517,278.80 and 202,758.90 is: 279,806.44
Step by Step Solution
- Step 1: Write the proportion equation
374,840.84 : 517,278.80 = 202,758.90 : x - Step 2: Convert to fraction form
374,840.84/517,278.80 = 202,758.90/x - Step 3: Cross multiply
374,840.84x = 517,278.80 × 202,758.90 - Step 4: Simplify right side
374,840.84x = 104,882,880,988.22 - Step 5: Solve for x
x = 104,882,880,988.22/374,840.84 - Step 6: Final answer
x = 279,806.44
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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.