Finding the Fourth Proportional to 638,367.14, 880,952.58 and 351,897.50
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Solution
The fourth proportional to 638,367.14, 880,952.58 and 351,897.50 is: 485,621.82
Step by Step Solution
- Step 1: Write the proportion equation
638,367.14 : 880,952.58 = 351,897.50 : x - Step 2: Convert to fraction form
638,367.14/880,952.58 = 351,897.50/x - Step 3: Cross multiply
638,367.14x = 880,952.58 × 351,897.50 - Step 4: Simplify right side
638,367.14x = 310,005,010,520.55 - Step 5: Solve for x
x = 310,005,010,520.55/638,367.14 - Step 6: Final answer
x = 485,621.82
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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.