Finding the Fourth Proportional to 298,013.19, 411,089.87 and 177,193.44
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Solution
The fourth proportional to 298,013.19, 411,089.87 and 177,193.44 is: 244,426.86
Step by Step Solution
- Step 1: Write the proportion equation
298,013.19 : 411,089.87 = 177,193.44 : x - Step 2: Convert to fraction form
298,013.19/411,089.87 = 177,193.44/x - Step 3: Cross multiply
298,013.19x = 411,089.87 × 177,193.44 - Step 4: Simplify right side
298,013.19x = 72,842,428,214.45 - Step 5: Solve for x
x = 72,842,428,214.45/298,013.19 - Step 6: Final answer
x = 244,426.86
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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.