Finding the Fourth Proportional to 313,743.48, 432,968.74 and 170,503.55
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Solution
The fourth proportional to 313,743.48, 432,968.74 and 170,503.55 is: 235,296.39
Step by Step Solution
- Step 1: Write the proportion equation
313,743.48 : 432,968.74 = 170,503.55 : x - Step 2: Convert to fraction form
313,743.48/432,968.74 = 170,503.55/x - Step 3: Cross multiply
313,743.48x = 432,968.74 × 170,503.55 - Step 4: Simplify right side
313,743.48x = 73,822,707,200.64 - Step 5: Solve for x
x = 73,822,707,200.64/313,743.48 - Step 6: Final answer
x = 235,296.39
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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.