Finding the Fourth Proportional to 220,687.74, 330,994.55 and 62,878.68
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Solution
The fourth proportional to 220,687.74, 330,994.55 and 62,878.68 is: 94,307.46
Step by Step Solution
- Step 1: Write the proportion equation
220,687.74 : 330,994.55 = 62,878.68 : x - Step 2: Convert to fraction form
220,687.74/330,994.55 = 62,878.68/x - Step 3: Cross multiply
220,687.74x = 330,994.55 × 62,878.68 - Step 4: Simplify right side
220,687.74x = 20,812,500,548.39 - Step 5: Solve for x
x = 20,812,500,548.39/220,687.74 - Step 6: Final answer
x = 94,307.46
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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.