Finding the Fourth Proportional to 320,130.58, 441,781.36 and 174,936.36
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Solution
The fourth proportional to 320,130.58, 441,781.36 and 174,936.36 is: 241,412.81
Step by Step Solution
- Step 1: Write the proportion equation
320,130.58 : 441,781.36 = 174,936.36 : x - Step 2: Convert to fraction form
320,130.58/441,781.36 = 174,936.36/x - Step 3: Cross multiply
320,130.58x = 441,781.36 × 174,936.36 - Step 4: Simplify right side
320,130.58x = 77,283,623,034.25 - Step 5: Solve for x
x = 77,283,623,034.25/320,130.58 - Step 6: Final answer
x = 241,412.81
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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.