Finding the Fourth Proportional to 245,634.61, 368,430.74 and 149,546.94
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Solution
The fourth proportional to 245,634.61, 368,430.74 and 149,546.94 is: 224,307.52
Step by Step Solution
- Step 1: Write the proportion equation
245,634.61 : 368,430.74 = 149,546.94 : x - Step 2: Convert to fraction form
245,634.61/368,430.74 = 149,546.94/x - Step 3: Cross multiply
245,634.61x = 368,430.74 × 149,546.94 - Step 4: Simplify right side
245,634.61x = 55,097,691,114.01 - Step 5: Solve for x
x = 55,097,691,114.01/245,634.61 - Step 6: Final answer
x = 224,307.52
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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.