Finding the Fourth Proportional to 514,135.20, 771,202.80 and 135,030.90
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Solution
The fourth proportional to 514,135.20, 771,202.80 and 135,030.90 is: 202,546.35
Step by Step Solution
- Step 1: Write the proportion equation
514,135.20 : 771,202.80 = 135,030.90 : x - Step 2: Convert to fraction form
514,135.20/771,202.80 = 135,030.90/x - Step 3: Cross multiply
514,135.20x = 771,202.80 × 135,030.90 - Step 4: Simplify right side
514,135.20x = 104,136,208,166.52 - Step 5: Solve for x
x = 104,136,208,166.52/514,135.20 - Step 6: Final answer
x = 202,546.35
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Similar ratio
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1.5x scale
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.