Finding the Fourth Proportional to 356,705.20, 535,113.18 and 120,029.44
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Solution
The fourth proportional to 356,705.20, 535,113.18 and 120,029.44 is: 180,062.80
Step by Step Solution
- Step 1: Write the proportion equation
356,705.20 : 535,113.18 = 120,029.44 : x - Step 2: Convert to fraction form
356,705.20/535,113.18 = 120,029.44/x - Step 3: Cross multiply
356,705.20x = 535,113.18 × 120,029.44 - Step 4: Simplify right side
356,705.20x = 64,229,335,332.02 - Step 5: Solve for x
x = 64,229,335,332.02/356,705.20 - Step 6: Final answer
x = 180,062.80
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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.