Finding the Fourth Proportional to 403,747.14, 557,171.58 and 219,984.84
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Solution
The fourth proportional to 403,747.14, 557,171.58 and 219,984.84 is: 303,579.37
Step by Step Solution
- Step 1: Write the proportion equation
403,747.14 : 557,171.58 = 219,984.84 : x - Step 2: Convert to fraction form
403,747.14/557,171.58 = 219,984.84/x - Step 3: Cross multiply
403,747.14x = 557,171.58 × 219,984.84 - Step 4: Simplify right side
403,747.14x = 122,569,300,878.85 - Step 5: Solve for x
x = 122,569,300,878.85/403,747.14 - Step 6: Final answer
x = 303,579.37
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1.5x scale
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.