Finding the Fourth Proportional to 317,370.62, 437,572.94 and 232,340.06
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Solution
The fourth proportional to 317,370.62, 437,572.94 and 232,340.06 is: 320,337.54
Step by Step Solution
- Step 1: Write the proportion equation
317,370.62 : 437,572.94 = 232,340.06 : x - Step 2: Convert to fraction form
317,370.62/437,572.94 = 232,340.06/x - Step 3: Cross multiply
317,370.62x = 437,572.94 × 232,340.06 - Step 4: Simplify right side
317,370.62x = 101,665,723,133.98 - Step 5: Solve for x
x = 101,665,723,133.98/317,370.62 - Step 6: Final answer
x = 320,337.54
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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.