Finding the Fourth Proportional to 354,331.49, 530,905.52 and 248,961.83
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Solution
The fourth proportional to 354,331.49, 530,905.52 and 248,961.83 is: 373,026.99
Step by Step Solution
- Step 1: Write the proportion equation
354,331.49 : 530,905.52 = 248,961.83 : x - Step 2: Convert to fraction form
354,331.49/530,905.52 = 248,961.83/x - Step 3: Cross multiply
354,331.49x = 530,905.52 × 248,961.83 - Step 4: Simplify right side
354,331.49x = 132,175,205,916.97 - Step 5: Solve for x
x = 132,175,205,916.97/354,331.49 - Step 6: Final answer
x = 373,026.99
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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.