Finding the Fourth Proportional to 279,378.94, 385,542.93 and 152,055.44
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Solution
The fourth proportional to 279,378.94, 385,542.93 and 152,055.44 is: 209,836.50
Step by Step Solution
- Step 1: Write the proportion equation
279,378.94 : 385,542.93 = 152,055.44 : x - Step 2: Convert to fraction form
279,378.94/385,542.93 = 152,055.44/x - Step 3: Cross multiply
279,378.94x = 385,542.93 × 152,055.44 - Step 4: Simplify right side
279,378.94x = 58,623,899,860.04 - Step 5: Solve for x
x = 58,623,899,860.04/279,378.94 - Step 6: Final answer
x = 209,836.50
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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.