Finding the Fourth Proportional to 245,369.70, 368,054.63 and 76,903.09
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Solution
The fourth proportional to 245,369.70, 368,054.63 and 76,903.09 is: 115,354.66
Step by Step Solution
- Step 1: Write the proportion equation
245,369.70 : 368,054.63 = 76,903.09 : x - Step 2: Convert to fraction form
245,369.70/368,054.63 = 76,903.09/x - Step 3: Cross multiply
245,369.70x = 368,054.63 × 76,903.09 - Step 4: Simplify right side
245,369.70x = 28,304,537,951.29 - Step 5: Solve for x
x = 28,304,537,951.29/245,369.70 - Step 6: Final answer
x = 115,354.66
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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.