Finding the Fourth Proportional to 437,975.12, 604,408.56 and 276,902.88
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Solution
The fourth proportional to 437,975.12, 604,408.56 and 276,902.88 is: 382,127.80
Step by Step Solution
- Step 1: Write the proportion equation
437,975.12 : 604,408.56 = 276,902.88 : x - Step 2: Convert to fraction form
437,975.12/604,408.56 = 276,902.88/x - Step 3: Cross multiply
437,975.12x = 604,408.56 × 276,902.88 - Step 4: Simplify right side
437,975.12x = 167,362,470,960.65 - Step 5: Solve for x
x = 167,362,470,960.65/437,975.12 - Step 6: Final answer
x = 382,127.80
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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.