Finding the Fourth Proportional to 253,962.80, 380,947.44 and 175,055.84
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Solution
The fourth proportional to 253,962.80, 380,947.44 and 175,055.84 is: 262,585.99
Step by Step Solution
- Step 1: Write the proportion equation
253,962.80 : 380,947.44 = 175,055.84 : x - Step 2: Convert to fraction form
253,962.80/380,947.44 = 175,055.84/x - Step 3: Cross multiply
253,962.80x = 380,947.44 × 175,055.84 - Step 4: Simplify right side
253,962.80x = 66,687,074,105.05 - Step 5: Solve for x
x = 66,687,074,105.05/253,962.80 - Step 6: Final answer
x = 262,585.99
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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.