Finding the Fourth Proportional to 653,276.42, 979,533.11 and 253,449.98
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Solution
The fourth proportional to 653,276.42, 979,533.11 and 253,449.98 is: 380,026.95
Step by Step Solution
- Step 1: Write the proportion equation
653,276.42 : 979,533.11 = 253,449.98 : x - Step 2: Convert to fraction form
653,276.42/979,533.11 = 253,449.98/x - Step 3: Cross multiply
653,276.42x = 979,533.11 × 253,449.98 - Step 4: Simplify right side
653,276.42x = 248,262,647,138.84 - Step 5: Solve for x
x = 248,262,647,138.84/653,276.42 - Step 6: Final answer
x = 380,026.95
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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.