Finding the Fourth Proportional to 195,668.74, 270,029.28 and 110,783.98
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Solution
The fourth proportional to 195,668.74, 270,029.28 and 110,783.98 is: 152,885.53
Step by Step Solution
- Step 1: Write the proportion equation
195,668.74 : 270,029.28 = 110,783.98 : x - Step 2: Convert to fraction form
195,668.74/270,029.28 = 110,783.98/x - Step 3: Cross multiply
195,668.74x = 270,029.28 × 110,783.98 - Step 4: Simplify right side
195,668.74x = 29,914,918,354.93 - Step 5: Solve for x
x = 29,914,918,354.93/195,668.74 - Step 6: Final answer
x = 152,885.53
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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.