Finding the Fourth Proportional to 317,252.84, 437,658.04 and 189,903.84
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Solution
The fourth proportional to 317,252.84, 437,658.04 and 189,903.84 is: 261,976.98
Step by Step Solution
- Step 1: Write the proportion equation
317,252.84 : 437,658.04 = 189,903.84 : x - Step 2: Convert to fraction form
317,252.84/437,658.04 = 189,903.84/x - Step 3: Cross multiply
317,252.84x = 437,658.04 × 189,903.84 - Step 4: Simplify right side
317,252.84x = 83,112,942,402.87 - Step 5: Solve for x
x = 83,112,942,402.87/317,252.84 - Step 6: Final answer
x = 261,976.98
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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.