Finding the Fourth Proportional to 338,839.99, 467,602.80 and 185,878.48
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Solution
The fourth proportional to 338,839.99, 467,602.80 and 185,878.48 is: 256,514.28
Step by Step Solution
- Step 1: Write the proportion equation
338,839.99 : 467,602.80 = 185,878.48 : x - Step 2: Convert to fraction form
338,839.99/467,602.80 = 185,878.48/x - Step 3: Cross multiply
338,839.99x = 467,602.80 × 185,878.48 - Step 4: Simplify right side
338,839.99x = 86,917,297,707.74 - Step 5: Solve for x
x = 86,917,297,707.74/338,839.99 - Step 6: Final answer
x = 256,514.28
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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.