Finding the Fourth Proportional to 302,845.14, 417,897.73 and 178,646.75
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Solution
The fourth proportional to 302,845.14, 417,897.73 and 178,646.75 is: 246,515.67
Step by Step Solution
- Step 1: Write the proportion equation
302,845.14 : 417,897.73 = 178,646.75 : x - Step 2: Convert to fraction form
302,845.14/417,897.73 = 178,646.75/x - Step 3: Cross multiply
302,845.14x = 417,897.73 × 178,646.75 - Step 4: Simplify right side
302,845.14x = 74,656,071,296.88 - Step 5: Solve for x
x = 74,656,071,296.88/302,845.14 - Step 6: Final answer
x = 246,515.67
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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.