Finding the Fourth Proportional to 402,069.47, 602,927.11 and 188,897.97
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Solution
The fourth proportional to 402,069.47, 602,927.11 and 188,897.97 is: 283,263.75
Step by Step Solution
- Step 1: Write the proportion equation
402,069.47 : 602,927.11 = 188,897.97 : x - Step 2: Convert to fraction form
402,069.47/602,927.11 = 188,897.97/x - Step 3: Cross multiply
402,069.47x = 602,927.11 × 188,897.97 - Step 4: Simplify right side
402,069.47x = 113,891,705,619.44 - Step 5: Solve for x
x = 113,891,705,619.44/402,069.47 - Step 6: Final answer
x = 283,263.75
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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.