Finding the Fourth Proportional to 317,239.04, 437,894.56 and 283,608.79
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Solution
The fourth proportional to 317,239.04, 437,894.56 and 283,608.79 is: 391,473.72
Step by Step Solution
- Step 1: Write the proportion equation
317,239.04 : 437,894.56 = 283,608.79 : x - Step 2: Convert to fraction form
317,239.04/437,894.56 = 283,608.79/x - Step 3: Cross multiply
317,239.04x = 437,894.56 × 283,608.79 - Step 4: Simplify right side
317,239.04x = 124,190,746,309.18 - Step 5: Solve for x
x = 124,190,746,309.18/317,239.04 - Step 6: Final answer
x = 391,473.72
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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.