Finding the Fourth Proportional to 279,811.94, 385,866.12 and 177,660.02
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Solution
The fourth proportional to 279,811.94, 385,866.12 and 177,660.02 is: 244,996.63
Step by Step Solution
- Step 1: Write the proportion equation
279,811.94 : 385,866.12 = 177,660.02 : x - Step 2: Convert to fraction form
279,811.94/385,866.12 = 177,660.02/x - Step 3: Cross multiply
279,811.94x = 385,866.12 × 177,660.02 - Step 4: Simplify right side
279,811.94x = 68,552,982,596.52 - Step 5: Solve for x
x = 68,552,982,596.52/279,811.94 - Step 6: Final answer
x = 244,996.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.