Finding the Fourth Proportional to 406,010.80, 560,407.36 and 236,277.60
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Solution
The fourth proportional to 406,010.80, 560,407.36 and 236,277.60 is: 326,128.53
Step by Step Solution
- Step 1: Write the proportion equation
406,010.80 : 560,407.36 = 236,277.60 : x - Step 2: Convert to fraction form
406,010.80/560,407.36 = 236,277.60/x - Step 3: Cross multiply
406,010.80x = 560,407.36 × 236,277.60 - Step 4: Simplify right side
406,010.80x = 132,411,706,043.14 - Step 5: Solve for x
x = 132,411,706,043.14/406,010.80 - Step 6: Final answer
x = 326,128.53
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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.