Finding the Fourth Proportional to 313,677.78, 470,252.14 and 136,051.02
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Solution
The fourth proportional to 313,677.78, 470,252.14 and 136,051.02 is: 203,961.80
Step by Step Solution
- Step 1: Write the proportion equation
313,677.78 : 470,252.14 = 136,051.02 : x - Step 2: Convert to fraction form
313,677.78/470,252.14 = 136,051.02/x - Step 3: Cross multiply
313,677.78x = 470,252.14 × 136,051.02 - Step 4: Simplify right side
313,677.78x = 63,978,283,304.18 - Step 5: Solve for x
x = 63,978,283,304.18/313,677.78 - Step 6: Final answer
x = 203,961.80
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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.